There are 22 erasers and 33 pencils distributed equally to the students who participated in the labor. As a result, there is 1 more eraser and 2 fewer pencils. How many students are participating in the labor?
有22块橡皮和33支铅笔平均分给参加劳动的同学，结果橡皮多1块，铅笔少2支，参加劳动的同学有多少名．
<result>7</result>