Each bag of flour is 25 kilograms, and each bag of rice is 50 kilograms. The cafeteria bought 50 bags of flour and 50 bags of rice. How many kilograms in total?
面粉每袋25千克，大米每袋50千克，食堂买了面粉和大米各50袋，共多少千克？
<gadget id="calculator">25 * 50</gadget>
<output>1_250</output>

<gadget id="calculator">50 * 50</gadget>
<output>2_500</output>

<gadget id="calculator">1_250 + 2_500</gadget>
<output>3_750</output>

<result>3_750</result>