On Children's Day, Mr. Wang bought 29 apples and 33 pieces of chocolate to reward the students who participated in the performance on average. As a result, there were 2 more apples and 3 less chocolates. How many students participated in the performance?
六一儿童节，王老师买了29个苹果和33块巧克力平均奖励给参加表演的同学，结果苹果多2个，巧克力少3块，那么参加表演的同学有多少人．
<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<result>9</result>