Mr. Wang buys 1 football and 4 volleyballs for 408 yuan. It is known that each volleyball is 65 yuan. How much is a football?
王老师买1个足球和4个排球共用408元，已知排球65元一个，足球多少钱一个？
<gadget id="calculator">65 * 4</gadget>
<output>260</output>

<gadget id="calculator">408 - 260</gadget>
<output>148</output>

<result>148</result>