There are 48 students in a class of the third grade, and they are divided into 4 groups on average to participate in the tree planting activity. How many people are in each group? How much can be listed as a formula.
三年级一班共有48人，平均分成4组参加植树活动，每组分多少人？可以列成算式多少．
<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<result>12</result>