A chair is 34 yuan, a desk is 166 yuan, the school bought 35 sets of desks and chairs (each set includes a desk and a chair), how much did it cost in total?
一把椅子34元，一张课桌166元，学校买了35套桌椅(每套包括一张课桌和一把椅子)，一共花了多少元．
<gadget id="calculator">34 + 166</gadget>
<output>200</output>

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

<result>7_000</result>