Tính.

\[\begin{array}{l} \times \begin{array}{*{20}{c}}{\,\,\,\,1\,\,531}\\{\underline {\,\,\,\,\,\,\,\,\,\,31} }\end{array}\\\,\,\,\,\,\,1\,\,\,531\\\,\,\,\underline {45\,\,93\,\,\,} \\\,\,\,47\,\,461\end{array}\]

\[\begin{array}{l} - \begin{array}{*{20}{c}}{12\,\,870}\\{\underline {\,\,2\,\,769} }\end{array}\\\,\,\,\,10\,\,101\end{array}\]