The store shipped 850 kilograms of fruit, sold 271 kilograms in the morning and 364 kilograms in the afternoon, how many kilograms are left?
商店运来850千克水果，上午卖出271千克，下午卖出364千克，还剩多少千克？
<gadget id="calculator">271 + 364</gadget>
<output>635</output>

<gadget id="calculator">850 - 635</gadget>
<output>215</output>

<result>215</result>