Условие:

Вычисли.
3 * 196;
2 * 438.

3 * 196 = 588
$\begin{array}{r}\times \underset{¯}{\begin{array}{r}196\\ 3\end{array}}\\ 588\end{array}$
 
2 * 438 = 876
$\begin{array}{r}\times \underset{¯}{\begin{array}{r}438\\ 2\end{array}}\\ 876\end{array}$