Edit in JSFiddle

function CartController($scope) {
    $scope.items = [
        {title: 'Angular.js', quantity: 100, price: 80},
        {title: 'Knockout.js', quantity: 50, price: 90},
        {title: 'Backbone.js', quantity: 80, price: 120}
    ];
    
    $scope.remove = function(index) {
        $scope.items.splice(index, 1);
    }
}

<div ng-app='' ng-controller='CartController'>
    <h1>Your Order</h1>
    <div ng-repeat='item in items'>
        <span>{{item.title}}</span>
        <input ng-model='item.quantity' />
        <span>{{item.price | currency}}</span>
        <span>{{item.price * item.quantity | currency}}</span>
        <button ng-click='remove($index)'>Remove</button>
    </div>
</div>