Teacher Wang led the students to plant trees together. He divided the students into 4 groups, with 12 students in each group. The students planted a total of 336 trees. How many trees did each person plant on average?
王老师带领同学们一起去植树，他把同学们分成4个小组，每个小组有12名同学，同学们一共植树336棵，平均每人植树多少棵？
<gadget id="calculator">12 * 4</gadget>
<output>48</output>

<gadget id="calculator">336 / 48</gadget>
<output>7</output>

<result>7</result>