A workshop needs to produce a batch of parts. It was originally planned to produce 250 parts per day, and it was completed in 12 days. Now it has to be completed 2 days ahead of schedule. How many parts are produced on average per day?
某车间要生产一批零件，原计划每天生产250个，12天完成，现在要提前2天完成，平均每天生产多少个零件？
<gadget id="calculator">12 - 2</gadget>
<output>10</output>

<gadget id="calculator">12 / 10</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">250 * (6/5)</gadget>
<output>300</output>

<result>300</result>