Xiao Ming bought 4 pairs of the same table tennis racket, paid 100 yuan, and got back 12 yuan. How much is each pair of table tennis rackets?
小明买了4副同样的乒乓球拍，付了100元，找回12元，每副乒乓球拍多少元？
<gadget id="calculator">100 - 12</gadget>
<output>88</output>

<gadget id="calculator">88 / 4</gadget>
<output>22</output>

<result>22</result>