The fruit shop shipped 25 boxes of apples and 22 boxes of bananas. Each box of the two fruits weighs 15 kg. How many kilograms more apples than bananas were shipped?
水果店运来苹果25箱，香蕉22箱．两种水果每箱都重15千克．运来的苹果比香蕉多多少千克？
<gadget id="calculator">25 - 22</gadget>
<output>3</output>

<gadget id="calculator">15 * 3</gadget>
<output>45</output>

<result>45</result>