Uncle worker repaired a road. Originally planned to build 120 meters per day, but actually built 30 meters more per day. As a result, the task was completed 5 days ahead of schedule. How many meters is the road originally planned to be built?
工人叔叔修一条路，原计划每天修120米，实际每天多修了30米，结果提前5天完成了任务．原计划修的这条路有多少米．
<gadget id="calculator">120 + 30</gadget>
<output>150</output>

<gadget id="calculator">150 * 5</gadget>
<output>750</output>

<gadget id="calculator">750 / 30</gadget>
<output>25</output>

<gadget id="calculator">25 * 120</gadget>
<output>3_000</output>

<result>3_000</result>