A canal is 1580 meters long, and 500 meters have been repaired. After finishing the remaining 9 days, how many meters will be repaired on average every day?
一条水渠长1580米，已经修好了500米．剩下的9天修完，平均每天大约修多少米？
<gadget id="calculator">1_580 - 500</gadget>
<output>1_080</output>

<gadget id="calculator">1_080 / 9</gadget>
<output>120</output>

<result>120</result>