Coach Li spent 360 yuan more buying basketballs than buying footballs. Among them, he bought 15 basketballs at 68 yuan each; he bought 12 footballs, how much each? (solution by equation)
李教练买篮球比买足球多用去360元，其中篮球买了15个，每个68元；足球买了12个，每个多少元？(用方程解)
<gadget id="calculator">15 * 68</gadget>
<output>1_020</output>

<gadget id="calculator">1_020 - 360</gadget>
<output>660</output>

<gadget id="calculator">660 / 12</gadget>
<output>55</output>

<result>55</result>