There are 2,400 colored flags to be planted in the school sports meeting. The organizing committee assigned this task to 20 volunteer groups. Each group has 8 volunteers. How many colored flags should each volunteer plant on average?
校运会要插2400面彩旗，组委会把这个任务交给了20个志愿者小组来完成，每个小组有8名志愿者，平均每名志愿者要插多少面彩旗？
<gadget id="calculator">2_400 / 20 / 8</gadget>
<output>15</output>

<result>15</result>