The road repair team repaired a road. On the first day, they repaired the full length (2/7). On the second day, they repaired 30 meters more than the first day. The result was that there were 120 meters left. How long is this road in meters?
修路队修一条路，第一天修了全长的(2/7)，第二天比第一天多修30米，结果还剩120米，这条路长多少米？
<gadget id="calculator">120 + 30</gadget>
<output>150</output>

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">1 - (2/7) - (2/7)</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">150 / (3/7)</gadget>
<output>350</output>

<result>350</result>