The school bought 72 sets of double desks and chairs (one desk with two chairs), each desk is 100 yuan, and each chair is 25 yuan. How much did it cost?
学校买来72套双人课桌椅(一张课桌配两把椅子)，每张课桌100元，每把椅子25元，一共花了多少钱？
<gadget id="calculator">100 + 25 + 25</gadget>
<output>150</output>

<gadget id="calculator">150 * 72</gadget>
<output>10_800</output>

<result>10_800</result>