The cafeteria shipped 35 bags of rice and 35 bags of flour, each bag of rice weighed 75 kg, and each bag of flour weighed 25 kg. How many kilograms did the rice and flour weigh together?
食堂运来35袋大米和35袋面粉，每袋大米重75千克，每袋面粉重25千克．运来的大米和面粉一共重多少千克？
<gadget id="calculator">75 + 25</gadget>
<output>100</output>

<gadget id="calculator">100 * 35</gadget>
<output>3_500</output>

<result>3_500</result>