canal is 5312 meters long. It has been repaired for 8 days, and there are 456 meters left to be repaired. How many meters are repaired per day on average?
一条水渠全长5312米．已经修了8天，还剩456米没修，平均每天修多少米？
<gadget id="calculator">5_312 - 456</gadget>
<output>4_856</output>

<gadget id="calculator">4_856 / 8</gadget>
<output>607</output>

<result>607</result>