Mỗi bao gạo tẻ cân nặng 50kg, mỗi bao gạo nếp cân nặng 30kg. Một xe ô tô chở 25 bao gạo tẻ và 25 bao gạo nếp. Hỏi xe đó chở tất cả bao nhiêu tấn gạo?

\[\begin{array}{l} \times \begin{array}{*{20}{c}}{\,\,\,\,\,\,36}\\{\underline {\,\,\,\,\,\,\,43} }\end{array}\\\,\,\,\,\,\,\,108\\\,\,\,\underline {1\,\,44\,\,\,} \\\,\,\,1\,\,548\end{array}\]

\[\begin{array}{l} \times \begin{array}{*{20}{c}}{\,\,\,\,\,123}\\{\underline {\,\,\,\,\,\,\,25} }\end{array}\\\,\,\,\,\,\,\,\,615\\\,\,\,\underline {2\,\,46\,\,\,} \\\,\,\,3\,\,075\end{array}\]

\[\begin{array}{l} \times \begin{array}{*{20}{c}}{\,\,\,\,245}\\{\underline {\,\,\,\,\,\,\,34} }\end{array}\\\,\,\,\,\,\,\,980\\\,\,\,\underline {7\,\,35\,\,\,\,} \\\,\,\,8\,\,330\end{array}\]