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\n\u30ad\u30fc\u9805\u76ee\u3060\u3051\u3067\u3044\u3044\u3067\u306f\u306a\u3044\u304b\u3068\u3044\u3046\u306e\u304c\u4e3b\u5f35\u306a\u306e\u3060\u304c\u3001\u30ad\u30fc\u9805\u76ee\u306b\u95a2\u308f\u3089\u305a\u3001\u5b89\u5168\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u308b\u306e\u306b\u5fc5\u8981\u3060\u3068\u8a00\u3046\u3082\u3001\u7d50\u5c40\u306f\u9762\u5012\u304f\u3055\u3044\u3068\u8a00\u3046\u3053\u3068\u3067\u62b5\u6297\u3055\u308c\u308b\u3002
\n\u4f8b\u3048\u3070\u3001\u5358\u4fa1\u3068\u6570\u91cf\u306e\u8a08\u7b97\u3092\u3059\u308b\u3068\u304d\u306b\u3001\u5024\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3060\u3068\u76f4\u63a5\u8a08\u7b97\u3067\u304d\u306a\u3044\u3067\u306f\u306a\u3044\u304b\u3068\u3002
\n\u3069\u3046\u3082\u3053\u3046\u8003\u3048\u3066\u3044\u308b\u307f\u305f\u3044\u3002
\nUnitPrice unitPrice;
\nQuantity quantity;
\nSubTotal subTotal;
\nsubTotal.value = unitPrice.value * quantity.value;
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\nsubTotal = SubTotal.calculation(unitPrice, quantity);
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\n\u3068\u8aac\u660e\u3059\u308b\u3082\u3001\u7d50\u5c40SubTotal\u30af\u30e9\u30b9\u306b\u8a08\u7b97\u5f0f\u304c\u79fb\u52d5\u3057\u305f\u3060\u3051\u3067\u308f\u304b\u308a\u306b\u304f\u3044\u3068\u30fb\u30fb\u30fb
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