Xiaojun took 50 yuan to the store to buy things. She bought a pair of table tennis rackets for 36 yuan, and the remaining money can buy 7 table tennis balls. How much does each table tennis ball cost?
小军带50元去商店买东西．她买了一副36元的乒乓球拍，剩下的钱正好可以买7个乒乓球．每个乒乓球售价多少元？
<gadget id="calculator">50 - 36</gadget>
<output>14</output>

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

<result>2</result>