The school plans to buy 50 sets of desks and stools. Each desk is 75 yuan, and each stool is 25 yuan. How much will it cost in total?
学校计划购买50套课桌凳，桌子每张75元，凳子每个25元，一共要花多少元钱？
<gadget id="calculator">75 + 25</gadget>
<output>100</output>

<gadget id="calculator">50 * 100</gadget>
<output>5_000</output>

<result>5_000</result>