The school bought 4 basketballs and 9 footballs, which cost 76.2 yuan in total. One basketball and one football cost 12.8 yuan in total. How much is each football?
学校买来4个篮球和9个足球，共用去76.2元，一个篮球和一个足球共价12.8元，每个足球多少元？
<gadget id="calculator">12.8 * 4</gadget>
<output>51.2</output>

<gadget id="calculator">76.2 - 51.2</gadget>
<output>25</output>

<gadget id="calculator">25 / 5</gadget>
<output>5</output>

<result>5</result>