The students went to visit the military museum. There were 12 classes in the morning, with 36 people in each class. These people were divided into 9 groups on average. How many people are there on average in each group?
同学们去参观军事博物馆，上午来了12个班，每班36人，把这些人平均分成9个小组，平均每组有多少人？
<gadget id="calculator">36 / 9</gadget>
<output>4</output>

<gadget id="calculator">12 * 4</gadget>
<output>48</output>

<result>48</result>