The engineering team has to repair a section of road. The original plan was to repair 120 meters per day, which would take 60 days to complete; now it needs to be completed 20 days ahead of schedule, how many meters should be repaired per day?
工程队要修一段路．原计划每天修120米，需60天完成；现在要提前20天完成，每天要修多少米？
<gadget id="calculator">120 * 60</gadget>
<output>7_200</output>

<gadget id="calculator">60 - 20</gadget>
<output>40</output>

<gadget id="calculator">7_200 / 40</gadget>
<output>180</output>

<result>180</result>