The engineering team repaired a 6,800-meter-long road. After 7 days of repairing, there were still 2,901 meters left. How many meters are repaired per day on average?
工程队修一条长6800米的路，修了7天后还剩2901米，平均每天修多少米？
<gadget id="calculator">6_800 - 2_901</gadget>
<output>3_899</output>

<gadget id="calculator">3_899 / 7</gadget>
<output>557</output>

<result>557</result>