The umbrella factory needs to produce 5,000 umbrellas. It has been produced for 12 days, and there are still 2,120 unfinished umbrellas. How many umbrellas are produced on average per day?
制伞厂要生产5000把雨伞，已经生产了12天，还剩2120把没完成，平均每天生产多少把雨伞？
<gadget id="calculator">5_000 - 2_120</gadget>
<output>2_880</output>

<gadget id="calculator">2_880 / 12</gadget>
<output>240</output>

<result>240</result>