road repair team repaired a road. On the first day, it repaired the whole (2/5) of the road. On the second day, it repaired 20 kilometers more than the first day, and there were 80 kilometers left to be repaired. How many kilometers is the whole road?
某修路队修一条公路，第一天修了全程的(2/5)，第二天比第一天多修了20千米，还剩下80千米没修，这条公路全程多少千米？
<gadget id="calculator">20 + 80</gadget>
<output>100</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) * 2</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">100 / (1/5)</gadget>
<output>500</output>

<result>500</result>