The fruit shop shipped 25 boxes each of apples and pears. Apples are 16kg per box and pears are 20kg per box. How many kilograms of fruit are shipped in total?
水果店运来苹果和梨各25箱．苹果每箱16千克，梨每箱20千克．一共运来水果多少千克？
<gadget id="calculator">16 * 25</gadget>
<output>400</output>

<gadget id="calculator">20 * 25</gadget>
<output>500</output>

<gadget id="calculator">400 + 500</gadget>
<output>900</output>

<result>900</result>