500 kilograms of fruit are shipped from the fruit shop, 275 kilograms are sold in the morning, and 138 kilograms are sold in the afternoon. How many kilograms are left?
水果店里运来500千克水果，上午卖出275千克，下午卖出138千克，还剩多少千克？
<gadget id="calculator">275 + 138</gadget>
<output>413</output>

<gadget id="calculator">500 - 413</gadget>
<output>87</output>

<result>87</result>