Teacher Li has 50 yuan. It costs 36 yuan to buy 3 small soccer balls, and the remaining money just buys 2 pairs of rackets. How much is each pair of rackets?
李老师有50元钱．买3个小足球用去了36元，剩下的钱正好买2副球拍，每副球拍多少钱？
<gadget id="calculator">50 - 36</gadget>
<output>14</output>

<gadget id="calculator">14 / 2</gadget>
<output>7</output>

<result>7</result>