A chair is 52 yuan, a desk is 148 yuan, and the school bought 35 sets of seats. How much is the total cost?
一把椅子52元，一张课桌148元，学校买了35套座椅，共花多少元？
<gadget id="calculator">52 + 148</gadget>
<output>200</output>

<gadget id="calculator">200 * 35</gadget>
<output>7_000</output>

<result>7_000</result>