A store ships 25 boxes of apples and 20 boxes of pears, each weighing 50 kilograms. How many kilograms more apples are shipped than pears?
某商店运来25箱苹果和20箱梨，每箱都是50千克，运来的苹果比梨多多少千克？
<gadget id="calculator">25 - 20</gadget>
<output>5</output>

<gadget id="calculator">5 * 50</gadget>
<output>250</output>

<result>250</result>