The farm tool factory needs to produce 2,400 farm tools. It has been in production for 6 days, and the average daily production is 250. The remaining 3 days are completed. How many more pieces are produced per day than before?
农具厂要生产2400件农具，已生产了6天，平均每天行产250件，剩下的3天完成，平均每天比原来多生产多少件？
<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>

<gadget id="calculator">300 - 250</gadget>
<output>50</output>

<result>50</result>