<!DOCTYPE html>
<html ng-app>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.14/angular.min.js"></script>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>JS Bin</title>
</head>
<body>
單價：<input type="text" ng-model="price" ng-init="price = 10"/>
<br>
數量：<input type="text" ng-model="pqrt" ng-init="pqrt = 2"/>
<br>
總價：{{ price * pqrt | currency }}
</body>
</html>
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