The school bought 30 sets of desks and chairs, each desk was 88 yuan, and each chair was 48 yuan. How much more did you pay for these desks than the chairs?
学校买来30套课桌椅，每张桌子88元，每把椅子48元，买这些桌子比椅子多付多少钱？
<gadget id="calculator">88 - 48</gadget>
<output>40</output>

<gadget id="calculator">40 * 30</gadget>
<output>1_200</output>

<result>1_200</result>