There are 80 peach trees in Xiaoli's house. If each person picks 4 peach trees every day, how many people will be needed to finish picking them in one day.
小丽家有80棵桃树，如果每人每天摘4棵，一天摘完需要多少人．
<gadget id="calculator">80 / 4</gadget>
<output>20</output>

<result>20</result>