To build a 2,400-meter-long canal, in actual construction, 40 meters more than the original plan was repaired every day, and it was completed in 12 days. How many meters was originally planned to be repaired per day?
修一条长2400米的水渠，实际施工时，每天比原计划多修40米，12天修完，原计划每天修多少米？
<gadget id="calculator">2_400 / 12</gadget>
<output>200</output>

<gadget id="calculator">200 - 40</gadget>
<output>160</output>

<result>160</result>