An engineering team wants to repair a 500-meter canal. After 8 days of repairing, there are still 140 meters left. How many meters are repaired every day?
一个工程队要修一条500米的水渠，修了8天后还剩140米，每天修多少米？
<gadget id="calculator">500 - 140</gadget>
<output>360</output>

<gadget id="calculator">360 / 8</gadget>
<output>45</output>

<result>45</result>