Условие:

213 * 90;
487 * 40;
1872 * 60;
6097 * 70;
529 * 800;
674 * 500;
905 * 200;
708 * 600.

$\begin{array}{r}\begin{array}{r}\times \end{array}\underline{\begin{array}{r}\mathrm{213 }\\ 90\end{array}}\\ \begin{array}{r}\mathrm{19170 }\end{array}\end{array}$
 
$\begin{array}{r}\begin{array}{r}\times \end{array}\underline{\begin{array}{r}\mathrm{487 }\\ 40\end{array}}\\ \begin{array}{r}\mathrm{19480 }\end{array}\end{array}$
 
$\begin{array}{r}\begin{array}{r}\times \end{array}\underline{\begin{array}{r}\mathrm{1872 }\\ 60\end{array}}\\ \begin{array}{r}\mathrm{112320 }\end{array}\end{array}$
 
$\begin{array}{r}\begin{array}{r}\times \end{array}\underline{\begin{array}{r}\mathrm{6097 }\\ 70\end{array}}\\ \begin{array}{r}\mathrm{426790 }\end{array}\end{array}$
 
$\begin{array}{r}\begin{array}{r}\times \end{array}\underline{\begin{array}{r}\mathrm{529 }\\ 800\end{array}}\\ \begin{array}{r}\mathrm{423200 }\end{array}\end{array}$
 
$\begin{array}{r}\begin{array}{r}\times \end{array}\underline{\begin{array}{r}\mathrm{674 }\\ 500\end{array}}\\ \begin{array}{r}\mathrm{337000 }\end{array}\end{array}$
 
$\begin{array}{r}\begin{array}{r}\times \end{array}\underline{\begin{array}{r}\mathrm{905 }\\ 200\end{array}}\\ \begin{array}{r}\mathrm{181000 }\end{array}\end{array}$
 
$\begin{array}{r}\begin{array}{r}\times \end{array}\underline{\begin{array}{r}\mathrm{708 }\\ 600\end{array}}\\ \begin{array}{r}\mathrm{424800 }\end{array}\end{array}$