3 trucks of cabbage are shipped from the vegetable market, each truck weighs 490 kg. After selling 860 kg, how many kg are left?
菜场运来3车白菜，每车490千克，卖出860千克后，还剩多少千克．
<gadget id="calculator">1_470 - 890</gadget>
<output>580</output>

<result>580</result>