An engineering team repairs a road with a length of 1000m, and repairs an average of 200m per day in the first 2 days. If the remaining tasks must be completed within 2 days, how much m should be repaired on average per day?
某工程队修一条长1000m的路，前2天平均每天修200m，如果余下的任务同样要在2天内完成，那么平均每天应修多少m？
<gadget id="calculator">200 * 2</gadget>
<output>400</output>

<gadget id="calculator">1_000 - 400</gadget>
<output>600</output>

<gadget id="calculator">600 / 2</gadget>
<output>300</output>

<result>300</result>