The fruit shop brings in 30 baskets each of apples and pears. Each basket of apples weighs 45 kilograms, and each basket of pears weighs 35 kilograms. How much less pears are brought in than apples?
水果店运进苹果和梨各30筐，苹果每筐45千克，梨每筐35千克，运进的梨比苹果少多少千克？
<gadget id="calculator">45 - 35</gadget>
<output>10</output>

<gadget id="calculator">10 * 30</gadget>
<output>300</output>

<result>300</result>