diff --git a/src/plays/calculator-by-tea/useCalcalulatorByTeaHook.ts b/src/plays/calculator-by-tea/useCalcalulatorByTeaHook.ts
index ebfb51d978..0f3aef3314 100644
--- a/src/plays/calculator-by-tea/useCalcalulatorByTeaHook.ts
+++ b/src/plays/calculator-by-tea/useCalcalulatorByTeaHook.ts
@@ -38,7 +38,7 @@ const useCalcalulatorByTeaHook = () => {
           return prevHistory;
         });
 
-        return String(eval(prevExpression.replace('%', '*100/')));
+        return String(eval(prevExpression.replace(/%/g, '*100/')));
       });
     } else if (action === 'C') {
       setCalculationExpression((prev) => {