Dongping Town Central Primary School held a "I love the motherland" speech contest. The school had to make 3,600 colored flags and divide the tasks among 25 classes on average. Each class had 4 groups. How many colored flags should each group make on average?
东平镇中心小学举行"我爱祖国"的演讲比赛，学校要做3600面彩旗，把任务平均分给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">3_600 / 25 / 4</gadget>
<output>36</output>

<result>36</result>