7691 + 23508 = 31199
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}7691\\ 23508\end{array}}\\ \begin{array}{r}\mathrm{31199 }\end{array}\end{array}$

529306 + 28419 = 557725
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}529306\\ 28419\end{array}}\\ \begin{array}{r}\mathrm{557725 }\end{array}\end{array}$

4824375 + 822963 = 5647338
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}4824375\\ 822963\end{array}}\\ \begin{array}{r}\mathrm{5647338 }\end{array}\end{array}$

24728 + 3478286 + 5374 = 3508388
$\begin{array}{r}\underline{\begin{array}{r}\text{24728}\\ \text{+3478286}\\ \text{5374}\end{array}}\\ \hfill \text{ 3508388}\hfill \end{array}$