There are 5 classes in grades 3, 4, and 5, and 120 students are selected to clean the nursing home. How many students are selected in each class on average?
三、四、五年级各有5个班，要选120名学生去打扫敬老院，平均每班选多少名学生参加？
<gadget id="calculator">3 * 5</gadget>
<output>15</output>

<gadget id="calculator">120 / 15</gadget>
<output>8</output>

<result>8</result>