The fruit shop shipped 38 boxes of apples and 22 boxes of bananas. Each box of the two kinds of fruit weighs 15 kilograms. How many kilograms does the delivered apple weigh more than the banana?
水果店运来苹果38箱，香蕉22箱．两种水果每箱都重15千克，运来的苹果比香蕉重多少千克？
<gadget id="calculator">38 - 22</gadget>
<output>16</output>

<gadget id="calculator">16 * 15</gadget>
<output>240</output>

<result>240</result>