The school cafeteria shipped 8 bags of rice and 8 bags of flour, each bag of rice was 50 kilograms, and each bag of flour was 35 kilograms. How many kilograms of food were shipped in total?
学校食堂运来大米和面粉各8袋，大米每袋50千克，面粉每袋35千克，一共运来粮食多少千克？
<gadget id="calculator">50 * 8</gadget>
<output>400</output>

<gadget id="calculator">35 * 8</gadget>
<output>280</output>

<gadget id="calculator">400 + 280</gadget>
<output>680</output>

<result>680</result>