The school bought 28 footballs for 54 yuan each. I also bought 25 basketballs, which cost 638 yuan more than footballs. How much is each basketball?
学校买了28个足球，每个54元．还买了25个篮球，比足球多花638元．每个篮球多少元？
<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>