To build a road, the original plan is to build 120 meters per day, which can be completed in 30 days. If it is to be completed 5 days in advance, how many meters should be repaired every day? (Solve with ratio)
修一条公路，原计划每天修120米，30天可以修完．如果要提前5天修完，每天要修多少米？(用比例解)
<gadget id="calculator">120 * 30</gadget>
<output>3_600</output>

<gadget id="calculator">30 - 5</gadget>
<output>25</output>

<gadget id="calculator">3_600 / 25</gadget>
<output>144</output>

<result>144</result>