The fruit shop shipped 9 boxes of apples and 9 pears, each box of apples weighed 28 kg, and each box of pears weighed 32 kg. How many kilograms of fruit are shipped in total?
水果店运来苹果、梨各9箱，苹果每箱28千克，梨每箱32千克．一共运来水果多少千克？
<gadget id="calculator">32 + 28</gadget>
<output>60</output>

<gadget id="calculator">60 * 9</gadget>
<output>540</output>

<result>540</result>