The road construction team built a section of road, repaired all (3/5) on the first day, and repaired all 20% on the second day, leaving 140 meters unrepaired. How many meters is this road?
筑路队修筑一段公路，第一天修了全部的(3/5)，第二天修了全部的20%，还剩140米没有修．这段公路长多少米？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(3/5) + (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">140 / (1/5)</gadget>
<output>700</output>

<result>700</result>