There are 25 tree-planting groups in the fourth grade of Shengli Primary School, with 4 people in each group. They will plant 800 trees in total. How many trees does each person plant on average?
胜利小学四年级有25个植树小组，每组4人，他们一共要植树800棵，平均每人植树多少棵？
<gadget id="calculator">800 / 25 / 4</gadget>
<output>8</output>

<result>8</result>