Decimal floating number should not exceed more than 2(2.11)

Question

Hi,

In invoice i have 2 fields named as qty and price

i have stored these variables in one array

total number should not 2 decimals

Ex:123.12(I need like this)

123.123(I don't need) 

Could kindly any one help me 

Here my sample code

<tbody>

<tr ng-repeat="item in invoice.items">

<td><input type="number" ng-model="item.qty" class="form-control" /></td>

<td><input type="number" ng-model="item.price" class="form-control" /></td>

<td>{{item.qty * item.price}}</td>

</tr>

<tr>

<td><button type="button" class="btn btn-primary" ng-click="add()">Add item</button></td>

<td></td>

<td></td>

<td>Total : </td>

<td>{{total()}} €</td>

</tr>

</tbody>

Sum of ng repeat elements

..........................

$scope.total = function(){

var total = 0;

angular.forEach($scope.invoice.items, function(item){

total += item.qty * item.price;

})

return total;

}

});