The school bought 28 footballs at 54 yuan each, and bought 25 basketballs, which cost 638 yuan more than buying footballs. How much is each basketball?
学校买了28个足球，每个54元，又买了25个篮球，买篮球比买足球多花638元，问每个篮球多少钱？
<gadget id="calculator">54 * 28</gadget>
<output>1_512</output>

<gadget id="calculator">1_512 + 638</gadget>
<output>2_150</output>

<gadget id="calculator">2_150 / 25</gadget>
<output>86</output>

<result>86</result>