The engineering team built a road and planned to finish it in 20 days, but actually built 40 meters more than planned every day, and the result was 4 days ahead of schedule. How many meters did the engineering team plan to repair every day?
工程队修一条路，计划20天修完，实际每天比计划多修40米，结果提前4天修完．工程队原计划每天修多少米？
<gadget id="calculator">20 - 4</gadget>
<output>16</output>

<gadget id="calculator">16 / 4</gadget>
<output>4</output>

<gadget id="calculator">40 * 4</gadget>
<output>160</output>

<result>160</result>