The money to buy 12 volleyballs just buys 5 footballs. Each volleyball is 85 yuan. How much is each football?
买12只排球的钱正好买5只足球，每只排球85元，每只足球多少元？
<gadget id="calculator">85 / 5</gadget>
<output>17</output>

<gadget id="calculator">12 * 17</gadget>
<output>204</output>

<result>204</result>