374 * 2 = 748
$\begin{array}{r}\times \underset{¯}{\begin{array}{r}374\\ 2\end{array}}\\ 748\end{array}$
 
186 * 3 = 558
$\begin{array}{r}\times \underset{¯}{\begin{array}{r}186\\ 3\end{array}}\\ 558\end{array}$