Teacher Wang bought 5 pairs of badminton rackets and paid 200 yuan, and the salesperson retrieved him 20 yuan. How much is each racket?
王老师买了5副羽毛球拍，付出200元，营业员找回他20元．每副球拍多少元？
<gadget id="calculator">200 - 20</gadget>
<output>180</output>

<gadget id="calculator">180 / 5</gadget>
<output>36</output>

<result>36</result>