Happy Fruit Store bought back 150 kg of apples and 73 kg of pears. The quantity of watermelons bought back is 4 times the total number of apples and pears. How many kilograms of watermelons are bought back by fruit shops?
幸福水果店购回苹果150千克，梨73千克．购回西瓜的数量是苹果和梨总数的4倍，水果店购回西瓜多少千克？
<gadget id="calculator">150 + 73</gadget>
<output>223</output>

<gadget id="calculator">223 * 4</gadget>
<output>892</output>

<result>892</result>