The school bought 72 sets of desks (one desk and one chair), each desk was 100 yuan, and each chair was 35 yuan. How much did you spend in total? (two ways to answer)
学校买来72套课桌(一张桌子配一张椅子)，每张课桌100元，每把椅子35元，一共用了多少元？(两种方法解答)
<gadget id="calculator">100 * 72</gadget>
<output>7_200</output>

<gadget id="calculator">35 * 72</gadget>
<output>2_520</output>

<gadget id="calculator">7_200 + 2_520</gadget>
<output>9_720</output>

<result>9_720</result>