The store shipped 4 baskets of apples, totaling 120 kilograms, and 5 baskets of pears, totaling 185 kilograms. On average, how much less each basket of apples is than each basket of pears?
商店运来4筐苹果，共120千克，5筐梨，共185千克，平均每筐苹果比每筐梨少多少千克？
<gadget id="calculator">185 / 5</gadget>
<output>37</output>

<gadget id="calculator">120 / 4</gadget>
<output>30</output>

<gadget id="calculator">37 - 30</gadget>
<output>7</output>

<result>7</result>