[buyoption]

- 갯수 늘렷을때 표시되는 금액 수정

com.twin.app.shoptime/src/views/DetailPanel/components/BuyOption.jsx

@@ -1502,6 +1502,7 @@ const BuyOption = ({
           productInfo={productInfo || productData}
           selectedOptions={selectedOptions}
           patncNm={patncNm || productData?.patncNm || productInfo?.patncNm}
+          quantity={quantity}
         />
         <div className={styles.buy_option__button_section}>
           <TButton

com.twin.app.shoptime/src/views/DetailPanel/components/BuyOptionPriceBlock.jsx

@@ -1,13 +1,13 @@
 import React, { useMemo } from 'react';
+
 import classNames from 'classnames';
 import { useSelector } from 'react-redux';
 
 import usePriceInfo from '../../../hooks/usePriceInfo';
 import { $L } from '../../../utils/helperMethods';
-
 import styles from './BuyOptionPriceBlock.module.less';
 
-const BuyOptionPriceBlock = ({ patncNm, productInfo, selectedOptions, className }) => {
+const BuyOptionPriceBlock = ({ patncNm, productInfo, selectedOptions, quantity, className }) => {
   const productData = useSelector((state) => state.main.productData);
   const sourceProduct = productInfo || productData;
   const { shippingCharge } = sourceProduct || {};
@@ -23,6 +23,26 @@ const BuyOptionPriceBlock = ({ patncNm, productInfo, selectedOptions, className
     return $L('Price');
   }, [patncNm]);
 
+  // 가격에서 통화 기호와 숫자 분리
+  const extractPriceInfo = (priceString) => {
+    if (!priceString) return { currencySymbol: '', numericPrice: 0 };
+    
+    const numericPrice = parseFloat(priceString.replace(/[^0-9.]/g, ''));
+    const currencySymbol = priceString.replace(/[0-9.]/g, '').trim();
+    
+    return {
+      currencySymbol: currencySymbol || '',
+      numericPrice: isNaN(numericPrice) ? 0 : numericPrice
+    };
+  };
+
+  // quantity를 곱한 총 가격 계산
+  const totalPrice = useMemo(() => {
+    const { currencySymbol, numericPrice } = extractPriceInfo(discountedPrice);
+    const total = numericPrice * (quantity || 1);
+    return `${currencySymbol}${total.toFixed(2)}`;
+  }, [discountedPrice, quantity]);
+
   const showDiscountBadge = discountedPrice && originalPrice && discountedPrice !== originalPrice;
 
   if (!discountedPrice && !shippingCharge) {
@@ -35,7 +55,7 @@ const BuyOptionPriceBlock = ({ patncNm, productInfo, selectedOptions, className
         <div className={styles.price_row}>
           <span className={styles.price_label}>{priceLabel}</span>
           <div className={styles.price_value_group}>
-            <span className={styles.price_value}>{discountedPrice}</span>
+            <span className={styles.price_value}>{totalPrice}</span>
           </div>
         </div>
       )}