The worker uncle repaired a road, originally planned to build 120 meters per day, but actually built 3 meters more per day, and finally completed the task 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3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 * 5</gadget>
<output>600</output>

<gadget id="calculator">3 * 5</gadget>
<output>15</output>

<gadget id="calculator">600 + 15</gadget>
<output>615</output>

<gadget id="calculator">3 - 120</gadget>
<output>-117</output>

<gadget id="calculator">120 + (-117)</gadget>
<output>3</output>

<gadget id="calculator">615 / 3</gadget>
<output>205</output>

<gadget id="calculator">205 * 120</gadget>
<output>24_600</output>

<result>24_600</result>