Longquan Primary School has to make 2,800 colored flags, and assign this task to 25 classes, each class has 4 groups, how many colored flags should each group make on average?
龙泉小学要做2800面彩旗，把这个任务交给25个班，每个班有4个小组，平均每个小组要做多少面彩旗？
<gadget id="calculator">2_800 / 25 / 4</gadget>
<output>28</output>

<result>28</result>