An apple tree harvests 80 kg of apples per year, how many apple trees are needed to harvest 2240 kg of apples?
一棵苹果树每年收苹果80千克，要收2240千克苹果，需要多少棵苹果树？
<gadget id="calculator">2_240 / 80</gadget>
<output>28</output>

<result>28</result>