<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a05e55-5356-759e-a1b1-c6aa41d8b0c5,g:af4f5a9d-cb4f-43ab-8d31-e83b9e7fc122-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item"/>
  <link:roleRef roleURI="http://king.com/role/CondensedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="king-20260930.xsd#CondensedConsolidatedBalanceSheets"/>
  <link:calculationLink xlink:role="http://king.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Investments_01a05e55-55a7-7e94-9f0b-8ddb1811105c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Investments"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_OtherShortTermInvestmentsFairValue_01a17859-ab28-7334-8072-4c0547c96fcb" xlink:href="king-20260930.xsd#king_OtherShortTermInvestmentsFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_01a05e55-55a7-7e94-9f0b-8ddb1811105c" xlink:to="loc_king_OtherShortTermInvestmentsFairValue_01a17859-ab28-7334-8072-4c0547c96fcb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecurities_01a05e55-55a7-7057-a5eb-65a11f9d5631" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecurities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_01a05e55-55a7-7e94-9f0b-8ddb1811105c" xlink:to="loc_us-gaap_HeldToMaturitySecurities_01a05e55-55a7-7057-a5eb-65a11f9d5631" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_DebtSecuritiesAvailableForSaleExcludingShortTermInvestments_01a05e55-55a7-7cad-9bd2-282c8a5525b4" xlink:href="king-20260930.xsd#king_DebtSecuritiesAvailableForSaleExcludingShortTermInvestments"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_01a05e55-55a7-7e94-9f0b-8ddb1811105c" xlink:to="loc_king_DebtSecuritiesAvailableForSaleExcludingShortTermInvestments_01a05e55-55a7-7cad-9bd2-282c8a5525b4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_01a05e55-55a7-7cbd-b322-d53afd0bcf26" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_01a05e55-55a7-7e94-9f0b-8ddb1811105c" xlink:to="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_01a05e55-55a7-7cbd-b322-d53afd0bcf26" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherInvestments_01a05e55-55a7-7a99-b6cd-f0f7bc8449fb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherInvestments"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_01a05e55-55a7-7e94-9f0b-8ddb1811105c" xlink:to="loc_us-gaap_OtherInvestments_01a05e55-55a7-7a99-b6cd-f0f7bc8449fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a05e55-55a7-70dc-bbbf-d4f6e75bf6d9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_01a05e55-55a7-7d84-91e1-bb44f2155d93" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a05e55-55a7-70dc-bbbf-d4f6e75bf6d9" xlink:to="loc_us-gaap_Liabilities_01a05e55-55a7-7d84-91e1-bb44f2155d93" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_01a05e55-55a7-7fd8-9ef3-7563bbbcfbf7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a05e55-55a7-70dc-bbbf-d4f6e75bf6d9" xlink:to="loc_us-gaap_CommitmentsAndContingencies_01a05e55-55a7-7fd8-9ef3-7563bbbcfbf7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_01a05e55-55a7-7ad1-9b31-dd490a82492d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a05e55-55a7-70dc-bbbf-d4f6e75bf6d9" xlink:to="loc_us-gaap_StockholdersEquity_01a05e55-55a7-7ad1-9b31-dd490a82492d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_01a05e55-55a7-70ac-8fd0-3c6ca203ec31" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_01a05e55-55a7-7442-8b3d-3074e5c067a6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a05e55-55a7-70ac-8fd0-3c6ca203ec31" xlink:to="loc_us-gaap_PreferredStockValue_01a05e55-55a7-7442-8b3d-3074e5c067a6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_01a05e55-55a7-77e3-8756-8430ce7af25f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a05e55-55a7-70ac-8fd0-3c6ca203ec31" xlink:to="loc_us-gaap_CommonStockValue_01a05e55-55a7-77e3-8756-8430ce7af25f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExcessCapital_01a1ab0b-14c3-71ca-bb05-60a2b6106a57" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ExcessCapital"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a05e55-55a7-70ac-8fd0-3c6ca203ec31" xlink:to="loc_us-gaap_ExcessCapital_01a1ab0b-14c3-71ca-bb05-60a2b6106a57" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_01a1ab0b-14c3-7a0d-95e9-6137a8143a72" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a05e55-55a7-70ac-8fd0-3c6ca203ec31" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_01a1ab0b-14c3-7a0d-95e9-6137a8143a72" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_01a1ab0b-14c3-778a-9fa9-5841ba621eb4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a05e55-55a7-70ac-8fd0-3c6ca203ec31" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_01a1ab0b-14c3-778a-9fa9-5841ba621eb4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_01a1ab0b-14c3-7db2-b110-de23824ae8a3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockValue"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a05e55-55a7-70ac-8fd0-3c6ca203ec31" xlink:to="loc_us-gaap_TreasuryStockValue_01a1ab0b-14c3-7db2-b110-de23824ae8a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_01a05e55-55a7-70ff-b45b-04bfe6b11f77" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_01a05e55-55a7-7f1c-8ecd-2bd72c095345" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a05e55-55a7-70ff-b45b-04bfe6b11f77" xlink:to="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_01a05e55-55a7-7f1c-8ecd-2bd72c095345" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnearnedPremiums_01a05e55-55a7-732d-a500-143039aec3d2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnearnedPremiums"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a05e55-55a7-70ff-b45b-04bfe6b11f77" xlink:to="loc_us-gaap_UnearnedPremiums_01a05e55-55a7-732d-a500-143039aec3d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_AdvancePremiums_01a05e55-55a7-7c64-877b-8ce39f583839" xlink:href="king-20260930.xsd#king_AdvancePremiums"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a05e55-55a7-70ff-b45b-04bfe6b11f77" xlink:to="loc_king_AdvancePremiums_01a05e55-55a7-7c64-877b-8ce39f583839" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReinsurancePayable_01a05e55-55a7-7674-88ae-f35eb0fc158a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReinsurancePayable"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a05e55-55a7-70ff-b45b-04bfe6b11f77" xlink:to="loc_us-gaap_ReinsurancePayable_01a05e55-55a7-7674-88ae-f35eb0fc158a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredRevenue_01a05e55-55a7-7f9b-bdd0-0bdaf114708e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredRevenue"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a05e55-55a7-70ff-b45b-04bfe6b11f77" xlink:to="loc_us-gaap_DeferredRevenue_01a05e55-55a7-7f9b-bdd0-0bdaf114708e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_01a05e55-55a7-734f-9de8-5c0ea3580bcb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a05e55-55a7-70ff-b45b-04bfe6b11f77" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_01a05e55-55a7-734f-9de8-5c0ea3580bcb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_01a05e55-55a7-731d-a261-826753e0f8ca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a05e55-55a7-70ff-b45b-04bfe6b11f77" xlink:to="loc_us-gaap_LongTermDebt_01a05e55-55a7-731d-a261-826753e0f8ca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxes_01a05e55-55a7-7b92-8716-114dc7eca63d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedIncomeTaxes"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a05e55-55a7-70ff-b45b-04bfe6b11f77" xlink:to="loc_us-gaap_AccruedIncomeTaxes_01a05e55-55a7-7b92-8716-114dc7eca63d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_01a05e55-55a7-70fd-a1a1-c3867a710336" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Investments_01a05e55-55a7-7328-a424-34c008b7141e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Investments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a05e55-55a7-70fd-a1a1-c3867a710336" xlink:to="loc_us-gaap_Investments_01a05e55-55a7-7328-a424-34c008b7141e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_01a05e55-55a7-78a9-8a3d-2aa1b091380d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a05e55-55a7-70fd-a1a1-c3867a710336" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_01a05e55-55a7-78a9-8a3d-2aa1b091380d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PremiumsReceivableAtCarryingValue_01a05e55-55a7-741b-83d1-f4c2c402450f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PremiumsReceivableAtCarryingValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a05e55-55a7-70fd-a1a1-c3867a710336" xlink:to="loc_us-gaap_PremiumsReceivableAtCarryingValue_01a05e55-55a7-741b-83d1-f4c2c402450f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReinsuranceRecoverablesGross_01a05e55-55a7-707f-adc2-826933064deb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReinsuranceRecoverablesGross"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a05e55-55a7-70fd-a1a1-c3867a710336" xlink:to="loc_us-gaap_ReinsuranceRecoverablesGross_01a05e55-55a7-707f-adc2-826933064deb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredPolicyAcquisitionCosts_01a05e55-55a7-70ff-a9a0-288a921d091d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredPolicyAcquisitionCosts"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a05e55-55a7-70fd-a1a1-c3867a710336" xlink:to="loc_us-gaap_DeferredPolicyAcquisitionCosts_01a05e55-55a7-70ff-a9a0-288a921d091d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_01a05e55-55a7-7200-81b8-8564d3a9037a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a05e55-55a7-70fd-a1a1-c3867a710336" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_01a05e55-55a7-7200-81b8-8564d3a9037a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_01a05e55-55a7-7a2f-bb8d-13470b720ef9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a05e55-55a7-70fd-a1a1-c3867a710336" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_01a05e55-55a7-7a2f-bb8d-13470b720ef9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_01a05e55-55a7-77c8-99fd-8adf57c64ed4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a05e55-55a7-70fd-a1a1-c3867a710336" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_01a05e55-55a7-77c8-99fd-8adf57c64ed4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets_01a05e55-55a7-732a-a0d7-c2fccdf50f86" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssets"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a05e55-55a7-70fd-a1a1-c3867a710336" xlink:to="loc_us-gaap_OtherAssets_01a05e55-55a7-732a-a0d7-c2fccdf50f86" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidReinsurancePremiums_01a05e55-55a7-741e-95e1-f1e5675361ec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidReinsurancePremiums"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a05e55-55a7-70fd-a1a1-c3867a710336" xlink:to="loc_us-gaap_PrepaidReinsurancePremiums_01a05e55-55a7-741e-95e1-f1e5675361ec" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://king.com/role/CondensedConsolidatedStatementsofIncomeandComprehensiveIncomeUnaudited" xlink:type="simple" xlink:href="king-20260930.xsd#CondensedConsolidatedStatementsofIncomeandComprehensiveIncomeUnaudited"/>
  <link:calculationLink xlink:role="http://king.com/role/CondensedConsolidatedStatementsofIncomeandComprehensiveIncomeUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedGainLoss_01a05e55-55a7-7db2-9f5f-b29298b74500" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedGainLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_01a05e55-55a7-7638-b241-a44d73488d06" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedGainLoss_01a05e55-55a7-7db2-9f5f-b29298b74500" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_01a05e55-55a7-7638-b241-a44d73488d06" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossReclassificationBeforeTax_01a05e55-55a7-7561-95e1-b316f749bd10" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossReclassificationBeforeTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedGainLoss_01a05e55-55a7-7db2-9f5f-b29298b74500" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossReclassificationBeforeTax_01a05e55-55a7-7561-95e1-b316f749bd10" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a05e55-55a7-7f6e-9cac-5d9825fa90f0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_01a05e55-55a7-76f2-bd94-f3e7ccd6bcf6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a05e55-55a7-7f6e-9cac-5d9825fa90f0" xlink:to="loc_us-gaap_Revenues_01a05e55-55a7-76f2-bd94-f3e7ccd6bcf6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_01a05e55-55a7-7c96-af20-c2018d0a38c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a05e55-55a7-7f6e-9cac-5d9825fa90f0" xlink:to="loc_us-gaap_OperatingExpenses_01a05e55-55a7-7c96-af20-c2018d0a38c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_01a05e55-55a7-70f2-8b3d-468eb7799379" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_LossAndLossAdjustmentExpenses_01a05e55-55a7-7f77-9d47-4c10f464ae03" xlink:href="king-20260930.xsd#king_LossAndLossAdjustmentExpenses"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_01a05e55-55a7-70f2-8b3d-468eb7799379" xlink:to="loc_king_LossAndLossAdjustmentExpenses_01a05e55-55a7-7f77-9d47-4c10f464ae03" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestExpenseCommissionExpense_01a05e55-55a7-7e21-bef2-54ec424956a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NoninterestExpenseCommissionExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_01a05e55-55a7-70f2-8b3d-468eb7799379" xlink:to="loc_us-gaap_NoninterestExpenseCommissionExpense_01a05e55-55a7-7e21-bef2-54ec424956a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherUnderwritingExpense_01a05e55-55a7-7938-a9df-a3186b23ef90" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherUnderwritingExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_01a05e55-55a7-70f2-8b3d-468eb7799379" xlink:to="loc_us-gaap_OtherUnderwritingExpense_01a05e55-55a7-7938-a9df-a3186b23ef90" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_01a05e55-55a7-78c7-837f-ec05e7abf2a4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCostAndExpenseOperating"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_01a05e55-55a7-70f2-8b3d-468eb7799379" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_01a05e55-55a7-78c7-837f-ec05e7abf2a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_01a05e55-55a7-7220-87bc-594a1e058f96" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_01a05e55-55a7-70f2-8b3d-468eb7799379" xlink:to="loc_us-gaap_DepreciationAndAmortization_01a05e55-55a7-7220-87bc-594a1e058f96" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOperating_01a05e55-55a7-7096-9b8b-0ca562986c83" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseOperating"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_01a05e55-55a7-70f2-8b3d-468eb7799379" xlink:to="loc_us-gaap_InterestExpenseOperating_01a05e55-55a7-7096-9b8b-0ca562986c83" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_01a05e55-55a7-7000-8b5c-374ff0dbda53" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PremiumsEarnedNet_01a05e55-55a7-7a05-ace1-6430cd388a2f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PremiumsEarnedNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_01a05e55-55a7-7000-8b5c-374ff0dbda53" xlink:to="loc_us-gaap_PremiumsEarnedNet_01a05e55-55a7-7a05-ace1-6430cd388a2f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_CedingCommissionRevenue_01a05e55-55a7-738c-b1b0-271d1fee97cf" xlink:href="king-20260930.xsd#king_CedingCommissionRevenue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_01a05e55-55a7-7000-8b5c-374ff0dbda53" xlink:to="loc_king_CedingCommissionRevenue_01a05e55-55a7-738c-b1b0-271d1fee97cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentIncome_01a05e55-55a7-7067-8fe0-590400331aa6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetInvestmentIncome"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_01a05e55-55a7-7000-8b5c-374ff0dbda53" xlink:to="loc_us-gaap_NetInvestmentIncome_01a05e55-55a7-7067-8fe0-590400331aa6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealizedInvestmentGainsLosses_01a05e55-55a7-7dd0-8432-22f73531e73f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealizedInvestmentGainsLosses"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_01a05e55-55a7-7000-8b5c-374ff0dbda53" xlink:to="loc_us-gaap_RealizedInvestmentGainsLosses_01a05e55-55a7-7dd0-8432-22f73531e73f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_RealizedGainOnSaleOfRealEstate_01a05e55-55a7-75d2-b20e-736dea13c92c" xlink:href="king-20260930.xsd#king_RealizedGainOnSaleOfRealEstate"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_01a05e55-55a7-7000-8b5c-374ff0dbda53" xlink:to="loc_king_RealizedGainOnSaleOfRealEstate_01a05e55-55a7-75d2-b20e-736dea13c92c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIncome_01a05e55-55a7-764e-b0e5-282a9b5f170d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherIncome"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_01a05e55-55a7-7000-8b5c-374ff0dbda53" xlink:to="loc_us-gaap_OtherIncome_01a05e55-55a7-764e-b0e5-282a9b5f170d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_01a05e55-55a7-7c61-be9e-f6421d044b1f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a05e55-55a7-7829-ad1f-5eee8e490bd7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_01a05e55-55a7-7c61-be9e-f6421d044b1f" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a05e55-55a7-7829-ad1f-5eee8e490bd7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_01a05e55-55a7-7a56-84d6-c2e3bc07685c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_01a05e55-55a7-7c61-be9e-f6421d044b1f" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_01a05e55-55a7-7a56-84d6-c2e3bc07685c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_01a05e55-55a7-75d3-85d6-ff18b141863c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_01a05e55-55a7-7116-8b40-68222a5e36a3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_01a05e55-55a7-75d3-85d6-ff18b141863c" xlink:to="loc_us-gaap_NetIncomeLoss_01a05e55-55a7-7116-8b40-68222a5e36a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a05e55-55a7-77ad-8337-79e19fa50840" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_01a05e55-55a7-75d3-85d6-ff18b141863c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a05e55-55a7-77ad-8337-79e19fa50840" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a05e55-55a7-7626-9f58-5aaa1fe311b7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedGainLoss_01a05e55-55a7-780d-9a1f-e2eab8d03d55" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedGainLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a05e55-55a7-7626-9f58-5aaa1fe311b7" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedGainLoss_01a05e55-55a7-780d-9a1f-e2eab8d03d55" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_IncomeTaxExpenseBenefitRelatedToOtherComprehensiveIncomeLoss_01a05e55-55a7-7cbd-871d-f672ace84c0b" xlink:href="king-20260930.xsd#king_IncomeTaxExpenseBenefitRelatedToOtherComprehensiveIncomeLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a05e55-55a7-7626-9f58-5aaa1fe311b7" xlink:to="loc_king_IncomeTaxExpenseBenefitRelatedToOtherComprehensiveIncomeLoss_01a05e55-55a7-7cbd-871d-f672ace84c0b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://king.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited" xlink:type="simple" xlink:href="king-20260930.xsd#CondensedConsolidatedStatementsofCashFlowsUnaudited"/>
  <link:calculationLink xlink:role="http://king.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_01a05e55-55a7-78f2-9bad-ee1acc687e39" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_NetIncomeLoss_01a05e55-55a7-78f2-9bad-ee1acc687e39" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossOnSaleOfInvestments_01a05e55-55a7-72af-aecc-b9ae94e0173e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LossOnSaleOfInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_LossOnSaleOfInvestments_01a05e55-55a7-72af-aecc-b9ae94e0173e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_NetUnrealizedGainsLossesOnEquityInvestments_01a05e55-55a7-7977-a452-88b12ec22572" xlink:href="king-20260930.xsd#king_NetUnrealizedGainsLossesOnEquityInvestments"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_king_NetUnrealizedGainsLossesOnEquityInvestments_01a05e55-55a7-7977-a452-88b12ec22572" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfOtherInvestments_01a05e55-55a7-7758-88dd-679588fa8829" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnSaleOfOtherInvestments"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_GainLossOnSaleOfOtherInvestments_01a05e55-55a7-7758-88dd-679588fa8829" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndEquitySecuritiesRealizedGainLoss_01a05e55-55a7-7612-9808-bd9cc979365b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtAndEquitySecuritiesRealizedGainLoss"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_DebtAndEquitySecuritiesRealizedGainLoss_01a05e55-55a7-7612-9808-bd9cc979365b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_01a05e55-55a7-7d57-aa9e-981c1949221b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_DepreciationAndAmortization_01a05e55-55a7-7d57-aa9e-981c1949221b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_01a05e55-55a7-7d9c-a525-41c60cb875f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_01a05e55-55a7-7d9c-a525-41c60cb875f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfDebtDiscountPremium_01a05e55-55a7-7671-9258-917fdca3f064" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfDebtDiscountPremium"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_AmortizationOfDebtDiscountPremium_01a05e55-55a7-7671-9258-917fdca3f064" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_01a05e55-55a7-7c6e-80f6-4ab1b6f9ecc8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_01a05e55-55a7-7c6e-80f6-4ab1b6f9ecc8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_01a05e55-55a7-7c58-9b0b-2db556c61fe6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_01a05e55-55a7-7c58-9b0b-2db556c61fe6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_01a05e55-55a7-7c6a-9171-42bbdf6e968e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_ShareBasedCompensation_01a05e55-55a7-7c6a-9171-42bbdf6e968e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_01a05e55-55a7-7c5b-a5ed-1fed5518f38a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_01a05e55-55a7-7c5b-a5ed-1fed5518f38a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPremiumsReceivable_01a05e55-55a7-7130-a255-9528ce54fa86" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInPremiumsReceivable"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_IncreaseDecreaseInPremiumsReceivable_01a05e55-55a7-7130-a255-9528ce54fa86" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInReinsuranceRecoverable_01a05e55-55a7-7355-8f70-6b7252b8d68f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInReinsuranceRecoverable"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_IncreaseDecreaseInReinsuranceRecoverable_01a05e55-55a7-7355-8f70-6b7252b8d68f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidReinsurancePremiums_01a05e55-55a7-7170-b3e0-108512438c14" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInPrepaidReinsurancePremiums"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidReinsurancePremiums_01a05e55-55a7-7170-b3e0-108512438c14" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_01a05e55-55a7-75f3-a3c3-99ca29e6e37f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts"/>
    <link:calculationArc order="16" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_01a05e55-55a7-75f3-a3c3-99ca29e6e37f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_01a05e55-55a7-7462-83be-b8d88584b888" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="17" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_01a05e55-55a7-7462-83be-b8d88584b888" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInFuturePolicyBenefitReserves_01a05e55-55a7-7b8f-8629-9c4b72a170bc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInFuturePolicyBenefitReserves"/>
    <link:calculationArc order="18" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_IncreaseDecreaseInFuturePolicyBenefitReserves_01a05e55-55a7-7b8f-8629-9c4b72a170bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInUnearnedPremiums_01a05e55-55a7-7f30-a1f7-54b4172c055d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInUnearnedPremiums"/>
    <link:calculationArc order="19" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_IncreaseDecreaseInUnearnedPremiums_01a05e55-55a7-7f30-a1f7-54b4172c055d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_AdvancesFromPremiums_01a05e55-55a7-76e0-869e-38377937c03d" xlink:href="king-20260930.xsd#king_AdvancesFromPremiums"/>
    <link:calculationArc order="20" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_king_AdvancesFromPremiums_01a05e55-55a7-76e0-869e-38377937c03d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInReinsurancePayables_01a05e55-55a7-7acf-8fbb-eef1e8987f42" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInReinsurancePayables"/>
    <link:calculationArc order="21" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_IncreaseDecreaseInReinsurancePayables_01a05e55-55a7-7acf-8fbb-eef1e8987f42" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_01a05e55-55a7-7971-83eb-4d3609cf2b1a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue"/>
    <link:calculationArc order="22" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_01a05e55-55a7-7971-83eb-4d3609cf2b1a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_01a05e55-55a7-78bc-98d7-2ad70d83b46a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="23" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_01a05e55-55a7-78bc-98d7-2ad70d83b46a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_01a05e55-55a7-7bc8-bbad-4f35ba32cf1f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable"/>
    <link:calculationArc order="24" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7ce2-a54d-1443cf26d525" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_01a05e55-55a7-7bc8-bbad-4f35ba32cf1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a05e55-55a7-7158-8de1-e10e76ce45fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_01a1785b-08d8-7406-a7c2-cbf9e208f21d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a05e55-55a7-7158-8de1-e10e76ce45fa" xlink:to="loc_us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_01a1785b-08d8-7406-a7c2-cbf9e208f21d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_PaymentsToAcquireOtherShortTermInvestments_01a177eb-2f33-75f8-81e7-9c3525862e69" xlink:href="king-20260930.xsd#king_PaymentsToAcquireOtherShortTermInvestments"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a05e55-55a7-7158-8de1-e10e76ce45fa" xlink:to="loc_king_PaymentsToAcquireOtherShortTermInvestments_01a177eb-2f33-75f8-81e7-9c3525862e69" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_PurchaseFixedMaturitySecuritiesAvailableForSale_01a05e55-55a7-796f-94ec-65f82cff5d3b" xlink:href="king-20260930.xsd#king_PurchaseFixedMaturitySecuritiesAvailableForSale"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a05e55-55a7-7158-8de1-e10e76ce45fa" xlink:to="loc_king_PurchaseFixedMaturitySecuritiesAvailableForSale_01a05e55-55a7-796f-94ec-65f82cff5d3b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_01a05e55-55a7-72fa-9cbe-3c58b434281e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a05e55-55a7-7158-8de1-e10e76ce45fa" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_01a05e55-55a7-72fa-9cbe-3c58b434281e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfInvestmentProjects_01a05e55-55a7-7132-b62c-9bb36ce65648" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleOfInvestmentProjects"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a05e55-55a7-7158-8de1-e10e76ce45fa" xlink:to="loc_us-gaap_ProceedsFromSaleOfInvestmentProjects_01a05e55-55a7-7132-b62c-9bb36ce65648" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_01a05e55-55a7-76e4-8319-b35e801cc0ec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a05e55-55a7-7158-8de1-e10e76ce45fa" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_01a05e55-55a7-76e4-8319-b35e801cc0ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireEquitySecuritiesFvNi_01a05e55-55a7-7cae-8cf1-9b31052fe44e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireEquitySecuritiesFvNi"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a05e55-55a7-7158-8de1-e10e76ce45fa" xlink:to="loc_us-gaap_PaymentsToAcquireEquitySecuritiesFvNi_01a05e55-55a7-7cae-8cf1-9b31052fe44e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a05e55-55a7-7f24-a7b3-da1cc54e56ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7cda-98c6-5d74718c9d8a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a05e55-55a7-7f24-a7b3-da1cc54e56ea" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a05e55-55a7-7cda-98c6-5d74718c9d8a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a05e55-55a7-71ad-8334-1025dd98d78b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a05e55-55a7-7f24-a7b3-da1cc54e56ea" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a05e55-55a7-71ad-8334-1025dd98d78b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a05e55-55a7-7341-9647-eee93866ca58" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a05e55-55a7-7f24-a7b3-da1cc54e56ea" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a05e55-55a7-7341-9647-eee93866ca58" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a05e55-55a7-7a1a-acd4-47b7d0e514fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_01a05e55-55a7-7715-8850-ef097dec23fb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeasePrincipalPayments"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a05e55-55a7-7a1a-acd4-47b7d0e514fa" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_01a05e55-55a7-7715-8850-ef097dec23fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfNotesPayable_01a05e55-55a7-7454-a5f4-3d07d7f84a0d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfNotesPayable"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a05e55-55a7-7a1a-acd4-47b7d0e514fa" xlink:to="loc_us-gaap_RepaymentsOfNotesPayable_01a05e55-55a7-7454-a5f4-3d07d7f84a0d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_01a05e55-55a7-7dda-8bb8-48393502922b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a05e55-55a7-7a1a-acd4-47b7d0e514fa" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_01a05e55-55a7-7dda-8bb8-48393502922b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_WithholdingTaxesPaidOnNetExerciseOfStockOptions_01a05e55-55a7-741d-b572-0892ce44e364" xlink:href="king-20260930.xsd#king_WithholdingTaxesPaidOnNetExerciseOfStockOptions"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a05e55-55a7-7a1a-acd4-47b7d0e514fa" xlink:to="loc_king_WithholdingTaxesPaidOnNetExerciseOfStockOptions_01a05e55-55a7-741d-b572-0892ce44e364" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_WithholdingTaxesPaidOnVestedRestrictedStockAwards_01a05e55-55a7-715d-b543-9630d652c288" xlink:href="king-20260930.xsd#king_WithholdingTaxesPaidOnVestedRestrictedStockAwards"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a05e55-55a7-7a1a-acd4-47b7d0e514fa" xlink:to="loc_king_WithholdingTaxesPaidOnVestedRestrictedStockAwards_01a05e55-55a7-715d-b543-9630d652c288" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_01a05e55-55a7-7682-be2e-995494d84fba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a05e55-55a7-7a1a-acd4-47b7d0e514fa" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_01a05e55-55a7-7682-be2e-995494d84fba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_01a05e55-55a7-71c1-b62e-741d4c9cee46" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a05e55-55a7-7a1a-acd4-47b7d0e514fa" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_01a05e55-55a7-71c1-b62e-741d4c9cee46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_01a05e55-55a7-7cd7-bae5-09460e813ff5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a05e55-55a7-7a1a-acd4-47b7d0e514fa" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_01a05e55-55a7-7cd7-bae5-09460e813ff5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://king.com/role/InvestmentsScheduleofInvestmentIncomeDetails" xlink:type="simple" xlink:href="king-20260930.xsd#InvestmentsScheduleofInvestmentIncomeDetails"/>
  <link:calculationLink xlink:role="http://king.com/role/InvestmentsScheduleofInvestmentIncomeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterestAndDividend_01a05e55-5659-71d2-b40c-e4873a2a3608" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeInterestAndDividend"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_InvestmentIncomeFixedMaturitySecurities_01a05e55-5659-7c0a-83f1-ba4606561fe4" xlink:href="king-20260930.xsd#king_InvestmentIncomeFixedMaturitySecurities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentIncomeInterestAndDividend_01a05e55-5659-71d2-b40c-e4873a2a3608" xlink:to="loc_king_InvestmentIncomeFixedMaturitySecurities_01a05e55-5659-7c0a-83f1-ba4606561fe4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_InvestmentIncomeEquitySecurities_01a05e55-5659-725a-85ec-83a05dd0ad35" xlink:href="king-20260930.xsd#king_InvestmentIncomeEquitySecurities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentIncomeInterestAndDividend_01a05e55-5659-71d2-b40c-e4873a2a3608" xlink:to="loc_king_InvestmentIncomeEquitySecurities_01a05e55-5659-725a-85ec-83a05dd0ad35" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_InvestmentIncomeCashAndCashEquivalents_01a05e55-5659-7da8-82fe-f8f4a1c17413" xlink:href="king-20260930.xsd#king_InvestmentIncomeCashAndCashEquivalents"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentIncomeInterestAndDividend_01a05e55-5659-71d2-b40c-e4873a2a3608" xlink:to="loc_king_InvestmentIncomeCashAndCashEquivalents_01a05e55-5659-7da8-82fe-f8f4a1c17413" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeNet_01a05e55-5659-7138-86cc-221c11983315" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterestAndDividend_01a05e55-5659-7080-86b3-06b9d56fdfb8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeInterestAndDividend"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentIncomeNet_01a05e55-5659-7138-86cc-221c11983315" xlink:to="loc_us-gaap_InvestmentIncomeInterestAndDividend_01a05e55-5659-7080-86b3-06b9d56fdfb8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInvestmentExpense_01a05e55-5659-7a6d-8cb8-e3cd96134bfc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeInvestmentExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentIncomeNet_01a05e55-5659-7138-86cc-221c11983315" xlink:to="loc_us-gaap_InvestmentIncomeInvestmentExpense_01a05e55-5659-7a6d-8cb8-e3cd96134bfc" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://king.com/role/FairValueMeasurementsScheduleofFairValueMeasurementsDetails" xlink:type="simple" xlink:href="king-20260930.xsd#FairValueMeasurementsScheduleofFairValueMeasurementsDetails"/>
  <link:calculationLink xlink:role="http://king.com/role/FairValueMeasurementsScheduleofFairValueMeasurementsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_01a05e55-5659-798e-a0e4-5994426740eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent_01a05e55-5659-70f3-a782-988c5770e45b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_01a05e55-5659-798e-a0e4-5994426740eb" xlink:to="loc_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent_01a05e55-5659-70f3-a782-988c5770e45b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_01a05e55-5659-78f2-854f-0b31160eb16e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_01a05e55-5659-798e-a0e4-5994426740eb" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_01a05e55-5659-78f2-854f-0b31160eb16e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://king.com/role/PropertyandCasualtyInsuranceActivityScheduleofEarnedPremiumsDetails" xlink:type="simple" xlink:href="king-20260930.xsd#PropertyandCasualtyInsuranceActivityScheduleofEarnedPremiumsDetails"/>
  <link:calculationLink xlink:role="http://king.com/role/PropertyandCasualtyInsuranceActivityScheduleofEarnedPremiumsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_king_NetPropertyAndCasultyInsuranceActivity_01a05e55-565a-7328-aaf4-331b8898954c" xlink:href="king-20260930.xsd#king_NetPropertyAndCasultyInsuranceActivity"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_DirectPropertyAndCasultyInsuranceActivity_01a05e55-565a-7724-aa39-ed7f7fe7bef5" xlink:href="king-20260930.xsd#king_DirectPropertyAndCasultyInsuranceActivity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_NetPropertyAndCasultyInsuranceActivity_01a05e55-565a-7328-aaf4-331b8898954c" xlink:to="loc_king_DirectPropertyAndCasultyInsuranceActivity_01a05e55-565a-7724-aa39-ed7f7fe7bef5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_AssumedPropertyAndCasultyInsuranceActivity_01a05e55-565a-7877-b108-206bdfb1a4cc" xlink:href="king-20260930.xsd#king_AssumedPropertyAndCasultyInsuranceActivity"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_NetPropertyAndCasultyInsuranceActivity_01a05e55-565a-7328-aaf4-331b8898954c" xlink:to="loc_king_AssumedPropertyAndCasultyInsuranceActivity_01a05e55-565a-7877-b108-206bdfb1a4cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_CededPropertyAndCasultyInsuranceActivity_01a05e55-565a-7077-a489-73b70ca15ed1" xlink:href="king-20260930.xsd#king_CededPropertyAndCasultyInsuranceActivity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_NetPropertyAndCasultyInsuranceActivity_01a05e55-565a-7328-aaf4-331b8898954c" xlink:to="loc_king_CededPropertyAndCasultyInsuranceActivity_01a05e55-565a-7077-a489-73b70ca15ed1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://king.com/role/PropertyandCasualtyInsuranceActivityScheduleofUnpaidLossandLossAdjustmentExpenseReservesDetails" xlink:type="simple" xlink:href="king-20260930.xsd#PropertyandCasualtyInsuranceActivityScheduleofUnpaidLossandLossAdjustmentExpenseReservesDetails"/>
  <link:calculationLink xlink:role="http://king.com/role/PropertyandCasualtyInsuranceActivityScheduleofUnpaidLossandLossAdjustmentExpenseReservesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_king_BalanceAtEndOfPeriod_01a05e55-565a-75a1-a38a-d54368bbea6e" xlink:href="king-20260930.xsd#king_BalanceAtEndOfPeriod"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_NetBalanceAtEndOfPeriod_01a05e55-565a-7fb8-911a-76014bf1db8f" xlink:href="king-20260930.xsd#king_NetBalanceAtEndOfPeriod"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_BalanceAtEndOfPeriod_01a05e55-565a-75a1-a38a-d54368bbea6e" xlink:to="loc_king_NetBalanceAtEndOfPeriod_01a05e55-565a-7fb8-911a-76014bf1db8f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_AddReinsuranceRecoverables_01a05e55-565a-70d7-96fe-78d665c12488" xlink:href="king-20260930.xsd#king_AddReinsuranceRecoverables"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_BalanceAtEndOfPeriod_01a05e55-565a-75a1-a38a-d54368bbea6e" xlink:to="loc_king_AddReinsuranceRecoverables_01a05e55-565a-70d7-96fe-78d665c12488" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_PaidRelatedToTotalPaid_01a05e55-565a-7998-b22a-f7a655f6adc7" xlink:href="king-20260930.xsd#king_PaidRelatedToTotalPaid"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_PaidRelatedToCurrentYear_01a05e55-565a-7f33-b130-fec219c00785" xlink:href="king-20260930.xsd#king_PaidRelatedToCurrentYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_PaidRelatedToTotalPaid_01a05e55-565a-7998-b22a-f7a655f6adc7" xlink:to="loc_king_PaidRelatedToCurrentYear_01a05e55-565a-7f33-b130-fec219c00785" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_PaidRelatedToPriorYears_01a05e55-565a-750c-8f8b-6c6b0641ec68" xlink:href="king-20260930.xsd#king_PaidRelatedToPriorYears"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_PaidRelatedToTotalPaid_01a05e55-565a-7998-b22a-f7a655f6adc7" xlink:to="loc_king_PaidRelatedToPriorYears_01a05e55-565a-750c-8f8b-6c6b0641ec68" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_NetBalanceBeginningOfPeriod_01a05e55-565a-72a9-8110-c8ed3205a40c" xlink:href="king-20260930.xsd#king_NetBalanceBeginningOfPeriod"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_LessReinsuranceRecoverables_01a05e55-565a-7ebe-8fd2-2d7d43184b80" xlink:href="king-20260930.xsd#king_LessReinsuranceRecoverables"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_NetBalanceBeginningOfPeriod_01a05e55-565a-72a9-8110-c8ed3205a40c" xlink:to="loc_king_LessReinsuranceRecoverables_01a05e55-565a-7ebe-8fd2-2d7d43184b80" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPropertyAndCasualtyInsuranceLiabilities_01a05e55-565a-7542-b40b-fe9e2acc3d5d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInPropertyAndCasualtyInsuranceLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_NetBalanceBeginningOfPeriod_01a05e55-565a-72a9-8110-c8ed3205a40c" xlink:to="loc_us-gaap_IncreaseDecreaseInPropertyAndCasualtyInsuranceLiabilities_01a05e55-565a-7542-b40b-fe9e2acc3d5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_TotalIncurredPropertyAndCasualtyInsuranceActivity_01a05e55-565a-7b0f-aedf-4a64b31bdcc4" xlink:href="king-20260930.xsd#king_TotalIncurredPropertyAndCasualtyInsuranceActivity"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_PriorYearsPropertyAndCasualtyInsuranceActivity_01a05e55-565a-71ab-891d-ab842d171602" xlink:href="king-20260930.xsd#king_PriorYearsPropertyAndCasualtyInsuranceActivity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_TotalIncurredPropertyAndCasualtyInsuranceActivity_01a05e55-565a-7b0f-aedf-4a64b31bdcc4" xlink:to="loc_king_PriorYearsPropertyAndCasualtyInsuranceActivity_01a05e55-565a-71ab-891d-ab842d171602" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_CurrentYearPropertyAndCasualtyInsuranceActivity_01a05e55-565a-7453-8d89-43a5dbe9e1f4" xlink:href="king-20260930.xsd#king_CurrentYearPropertyAndCasualtyInsuranceActivity"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_TotalIncurredPropertyAndCasualtyInsuranceActivity_01a05e55-565a-7b0f-aedf-4a64b31bdcc4" xlink:to="loc_king_CurrentYearPropertyAndCasualtyInsuranceActivity_01a05e55-565a-7453-8d89-43a5dbe9e1f4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://king.com/role/PropertyandCasualtyInsuranceActivityScheduleofReconciliationoftheDisclosureofIncurredandPaidLossDevelopmenttotheLiabilityforLossandLAEReservesDetails" xlink:type="simple" xlink:href="king-20260930.xsd#PropertyandCasualtyInsuranceActivityScheduleofReconciliationoftheDisclosureofIncurredandPaidLossDevelopmenttotheLiabilityforLossandLAEReservesDetails"/>
  <link:calculationLink xlink:role="http://king.com/role/PropertyandCasualtyInsuranceActivityScheduleofReconciliationoftheDisclosureofIncurredandPaidLossDevelopmenttotheLiabilityforLossandLAEReservesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_king_TotalGrossLiabilityForLossAndLAEReserves_01a05e55-565a-705d-8de6-b5e4c8f6baf5" xlink:href="king-20260930.xsd#king_TotalGrossLiabilityForLossAndLAEReserves"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_LiabilitiesForAllocatedLossAndLossAdjustmentExpensesNetOfReinsurance_01a05e55-565a-77d5-a5c5-7f96255e08d5" xlink:href="king-20260930.xsd#king_LiabilitiesForAllocatedLossAndLossAdjustmentExpensesNetOfReinsurance"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_TotalGrossLiabilityForLossAndLAEReserves_01a05e55-565a-705d-8de6-b5e4c8f6baf5" xlink:to="loc_king_LiabilitiesForAllocatedLossAndLossAdjustmentExpensesNetOfReinsurance_01a05e55-565a-77d5-a5c5-7f96255e08d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_LiabilityForClaimsReservesPortionRecoverableFromReinsurers_01a05e55-565a-78d8-a2c8-ade1cf84c8e5" xlink:href="king-20260930.xsd#king_LiabilityForClaimsReservesPortionRecoverableFromReinsurers"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_TotalGrossLiabilityForLossAndLAEReserves_01a05e55-565a-705d-8de6-b5e4c8f6baf5" xlink:to="loc_king_LiabilityForClaimsReservesPortionRecoverableFromReinsurers_01a05e55-565a-78d8-a2c8-ade1cf84c8e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet_01a05e55-565a-7aae-829a-0d4476b2c085" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_TotalGrossLiabilityForLossAndLAEReserves_01a05e55-565a-705d-8de6-b5e4c8f6baf5" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet_01a05e55-565a-7aae-829a-0d4476b2c085" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://king.com/role/PropertyandCasualtyInsuranceActivityScheduleOfCedingCommissionRevenueDetails" xlink:type="simple" xlink:href="king-20260930.xsd#PropertyandCasualtyInsuranceActivityScheduleOfCedingCommissionRevenueDetails"/>
  <link:calculationLink xlink:role="http://king.com/role/PropertyandCasualtyInsuranceActivityScheduleOfCedingCommissionRevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_king_TotalCommissionsEarned_01a05e55-565a-7db1-bfd6-1bb95701c1bd" xlink:href="king-20260930.xsd#king_TotalCommissionsEarned"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InsuranceCommissions_01a05e55-565a-784b-a951-36d5c63fce7f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InsuranceCommissions"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_TotalCommissionsEarned_01a05e55-565a-7db1-bfd6-1bb95701c1bd" xlink:to="loc_us-gaap_InsuranceCommissions_01a05e55-565a-784b-a951-36d5c63fce7f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_ContingentCedingCommissionsEarned_01a05e55-565a-7281-9ff2-d288fc3fa1fb" xlink:href="king-20260930.xsd#king_ContingentCedingCommissionsEarned"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_TotalCommissionsEarned_01a05e55-565a-7db1-bfd6-1bb95701c1bd" xlink:to="loc_king_ContingentCedingCommissionsEarned_01a05e55-565a-7281-9ff2-d288fc3fa1fb" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://king.com/role/IncomeTaxesScheduleofDeferredTaxAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="king-20260930.xsd#IncomeTaxesScheduleofDeferredTaxAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://king.com/role/IncomeTaxesScheduleofDeferredTaxAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_king_NetDeferredIncomeTaxAsset_01a05e55-565a-74d9-8ef9-7257b765213d" xlink:href="king-20260930.xsd#king_NetDeferredIncomeTaxAsset"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_01a05e55-565a-7520-aae4-a24e3fb85afd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_NetDeferredIncomeTaxAsset_01a05e55-565a-74d9-8ef9-7257b765213d" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_01a05e55-565a-7520-aae4-a24e3fb85afd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_01a05e55-565a-7497-85d5-af83203c7754" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_NetDeferredIncomeTaxAsset_01a05e55-565a-74d9-8ef9-7257b765213d" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_01a05e55-565a-7497-85d5-af83203c7754" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_01a05e55-565a-7712-afeb-d1cec5068870" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsDeferredIncome_01a05e55-565a-7f6f-afbc-6ede1af948c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsDeferredIncome"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01a05e55-565a-7712-afeb-d1cec5068870" xlink:to="loc_us-gaap_DeferredTaxAssetsDeferredIncome_01a05e55-565a-7f6f-afbc-6ede1af948c4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsUnrealizedLossesOnTradingSecurities_01a05e55-565a-7450-824f-7444176eb2c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsUnrealizedLossesOnTradingSecurities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01a05e55-565a-7712-afeb-d1cec5068870" xlink:to="loc_us-gaap_DeferredTaxAssetsUnrealizedLossesOnTradingSecurities_01a05e55-565a-7450-824f-7444176eb2c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_01a05e55-565a-7820-88ef-6bb38f4419e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01a05e55-565a-7712-afeb-d1cec5068870" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_01a05e55-565a-7820-88ef-6bb38f4419e3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_DeferredTaxAssetsClaimsReserveDiscount_01a05e55-565a-7cc3-b81c-2ec300fddbc0" xlink:href="king-20260930.xsd#king_DeferredTaxAssetsClaimsReserveDiscount"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01a05e55-565a-7712-afeb-d1cec5068870" xlink:to="loc_king_DeferredTaxAssetsClaimsReserveDiscount_01a05e55-565a-7cc3-b81c-2ec300fddbc0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_DeferredTaxAssetsDeferredCedingCommissionRevenues_01a05e55-565a-788f-aefa-e350be499db2" xlink:href="king-20260930.xsd#king_DeferredTaxAssetsDeferredCedingCommissionRevenues"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01a05e55-565a-7712-afeb-d1cec5068870" xlink:to="loc_king_DeferredTaxAssetsDeferredCedingCommissionRevenues_01a05e55-565a-788f-aefa-e350be499db2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_01a05e55-565a-70fe-95a9-9245bdabbe46" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01a05e55-565a-7712-afeb-d1cec5068870" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_01a05e55-565a-70fe-95a9-9245bdabbe46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_01a05e55-565a-7852-99fd-9482b2f463e0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_01a05e55-565a-7158-bba3-e50666eee629" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_01a05e55-565a-7852-99fd-9482b2f463e0" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_01a05e55-565a-7158-bba3-e50666eee629" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_01a05e55-565a-7a50-87fd-8db225255d37" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_01a05e55-565a-7852-99fd-9482b2f463e0" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_01a05e55-565a-7a50-87fd-8db225255d37" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesInvestments_01a05e55-565a-78af-9a15-cecf7d359a12" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxLiabilitiesInvestments"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_01a05e55-565a-7852-99fd-9482b2f463e0" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesInvestments_01a05e55-565a-78af-9a15-cecf7d359a12" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesDeferredExpense_01a05e55-565a-7eef-8e54-95b64d614305" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxLiabilitiesDeferredExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_01a05e55-565a-7852-99fd-9482b2f463e0" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesDeferredExpense_01a05e55-565a-7eef-8e54-95b64d614305" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://king.com/role/IncomeTaxesScheduleofNetOperatingLossCarryoversDetails" xlink:type="simple" xlink:href="king-20260930.xsd#IncomeTaxesScheduleofNetOperatingLossCarryoversDetails"/>
  <link:calculationLink xlink:role="http://king.com/role/IncomeTaxesScheduleofNetOperatingLossCarryoversDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_01a05e55-565a-73cc-be68-2f92b4adbd0a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwards"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_DeferredTaxAssetsFederalOnlyNOL_01a05e55-565a-7ab2-bb88-b47d914f722d" xlink:href="king-20260930.xsd#king_DeferredTaxAssetsFederalOnlyNOL"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_01a05e55-565a-73cc-be68-2f92b4adbd0a" xlink:to="loc_king_DeferredTaxAssetsFederalOnlyNOL_01a05e55-565a-7ab2-bb88-b47d914f722d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_DeferredTaxAssetsStateOnlyNetOfValuationAllowance_01a05e55-565a-7857-aab3-eabb5a911ac4" xlink:href="king-20260930.xsd#king_DeferredTaxAssetsStateOnlyNetOfValuationAllowance"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_01a05e55-565a-73cc-be68-2f92b4adbd0a" xlink:to="loc_king_DeferredTaxAssetsStateOnlyNetOfValuationAllowance_01a05e55-565a-7857-aab3-eabb5a911ac4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_DeferredTaxAssetsStateOnlyNetOfValuationAllowance_01a05e55-565a-7572-b404-e56c1fa4b746" xlink:href="king-20260930.xsd#king_DeferredTaxAssetsStateOnlyNetOfValuationAllowance"/>
    <link:loc xlink:type="locator" xlink:label="loc_king_DeferredTaxAssetsStateOnly_01a05e55-565a-7b2d-ac7a-5b5df8c028ae" xlink:href="king-20260930.xsd#king_DeferredTaxAssetsStateOnly"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_DeferredTaxAssetsStateOnlyNetOfValuationAllowance_01a05e55-565a-7572-b404-e56c1fa4b746" xlink:to="loc_king_DeferredTaxAssetsStateOnly_01a05e55-565a-7b2d-ac7a-5b5df8c028ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_01a05e55-565a-7182-87de-5a4c5653d781" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_king_DeferredTaxAssetsStateOnlyNetOfValuationAllowance_01a05e55-565a-7572-b404-e56c1fa4b746" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_01a05e55-565a-7182-87de-5a4c5653d781" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://king.com/role/EarningsPerCommonShareScheduleofWeightedAverageNumberofSharesDetails" xlink:type="simple" xlink:href="king-20260930.xsd#EarningsPerCommonShareScheduleofWeightedAverageNumberofSharesDetails"/>
  <link:calculationLink xlink:role="http://king.com/role/EarningsPerCommonShareScheduleofWeightedAverageNumberofSharesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_01a05e55-565a-7589-b86b-40ef036d32a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_01a05e55-565a-7ded-8dc0-35c409548a8f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_01a05e55-565a-7589-b86b-40ef036d32a2" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_01a05e55-565a-7ded-8dc0-35c409548a8f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_01a05e55-565a-754d-b309-934ef2282f3d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_01a05e55-565a-7589-b86b-40ef036d32a2" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_01a05e55-565a-754d-b309-934ef2282f3d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_01a05e55-565a-7f0f-bb93-4aa118d393ec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_01a05e55-565a-7589-b86b-40ef036d32a2" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_01a05e55-565a-7f0f-bb93-4aa118d393ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends_01a05e55-565a-7836-b435-92858c223b0e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_01a05e55-565a-7589-b86b-40ef036d32a2" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends_01a05e55-565a-7836-b435-92858c223b0e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://king.com/role/CommitmentsandContingenciesScheduleofCompanysOfficeOperatingLeasesDetails" xlink:type="simple" xlink:href="king-20260930.xsd#CommitmentsandContingenciesScheduleofCompanysOfficeOperatingLeasesDetails"/>
  <link:calculationLink xlink:role="http://king.com/role/CommitmentsandContingenciesScheduleofCompanysOfficeOperatingLeasesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_01a05e55-5786-7f81-9e17-bbd69828d369" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_01a05e55-5786-7cf7-bd84-3400a4cc6595" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_01a05e55-5786-7f81-9e17-bbd69828d369" xlink:to="loc_us-gaap_OperatingLeaseCost_01a05e55-5786-7cf7-bd84-3400a4cc6595" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
