The farm tool factory needs to produce 2,400 pieces of furniture. It is known that it took 6 days to produce 250 pieces per day, and the remaining 3 days will be completed. How many pieces should be produced per day?
农具厂要生产2400件家具，已知生产了6天，每天生产250件，剩下要3天完成，每天要生产多少件？
<gadget id="calculator">250 * 6</gadget>
<output>1_500</output>

<gadget id="calculator">2_400 - 1_500</gadget>
<output>900</output>

<gadget id="calculator">900 / 3</gadget>
<output>300</output>

<result>300</result>