The engineering team dug a 4 km long canal, and after 20 days of digging, there was still 360 meters left to be dug. How many meters do you dig on average per day?
工程队挖一条4千米长的水渠，挖了20天后还剩360米没挖．平均每天挖多少米？
<gadget id="calculator">4 * 1_000</gadget>
<output>4_000</output>

<gadget id="calculator">4_000 - 360</gadget>
<output>3_640</output>

<gadget id="calculator">3_640 / 20</gadget>
<output>182</output>

<result>182</result>