The engineering team built a road. On the first day, it completed 1/5 of the total length. On the second day, it completed 25% of the total length. The second day was 80 meters longer than the first day. What is the total length of this road in meters? ?
工程队修一条公路，第一天完成了全长的(1/5)，第二天完成了全长的25%，第二天比第一天多修80米，这条公路全长多少米？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

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

<gadget id="calculator">(1/4) - (1/5)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">80 / (1/20)</gadget>
<output>1_600</output>

<result>1_600</result>