JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://cdn.bootcss.com/angular.js/1.3.14/angular.js"></script>
<body>
    <div ng-app="myApp" ng-controller="costCtrl">Quantity:
        <input type="text" ng-model="quantity" />Price:
        <input type="number" ng-model="price" />
        <p>Total = {{ quantity | currency }}</p>
    </div>
    <script>
        var app = angular.module('myApp', []);
        app.controller('costCtrl', function($scope) {
            $scope.quantity = 1;
            $scope.price = 9.99;
        });
    </script>
</body>