The candy factory produces 7,281 kilograms of toffee. If each box contains 3 kilograms, how many boxes are left after selling 2,000 boxes?
糖果厂生产7281千克奶糖，如果每盒装3千克，卖出2000盒后，还剩下多少盒？
<gadget id="calculator">7_281 / 3</gadget>
<output>2_427</output>

<gadget id="calculator">2_427 - 2_000</gadget>
<output>427</output>

<result>427</result>