Задание

Найдите сумму:

\(\displaystyle 12367+78954+14589= {?}\)

 \(\displaystyle 1\)\(\displaystyle 2\)\(\displaystyle 3\)\(\displaystyle 6\)\(\displaystyle 7\)
\(\displaystyle +\)     
 \(\displaystyle 7\)\(\displaystyle 8\)\(\displaystyle 9\)\(\displaystyle 5\)\(\displaystyle 4\)
 [ ][ ][ ][ ][ ]
\(\displaystyle +\)     
 \(\displaystyle 1\)\(\displaystyle 4\)\(\displaystyle 5\)\(\displaystyle 8\)\(\displaystyle 9\)
[ ][ ][ ][ ][ ][ ]