How to get auto sum required in angularjs?

Hi all I filter count and quality, I need to total sum value can be changed to corresponding filtered data equally auto sum generate using getTotals() functionality in meanjs app. then i tried many ways but unable to get the solution if any one knows the solution please help me... http://plnkr.co/edit/IBPd8Dx6hmfWHULKrIBi?p=preview

HTML

<td><p>{{getTotals()}}</p></td>
                <td><p>{{getTotalss()}}</p></td>