180 students in the fourth grade of Experimental Primary School participated in the activity of learning from Lei Feng. They were divided into 5 teams on average, and each team was divided into 4 groups. Find the average number of people in each group?
实验小学四年级180名同学参加学雷锋活动，平均分成5队，每队分成4个小组，求平均每组多少人？
<gadget id="calculator">180 / 5 / 4</gadget>
<output>9</output>

<result>9</result>