A construction team builds a road. On the first day, 40 meters were repaired, and on the second day, 80 meters were repaired. What was repaired on the second day was 1/5 of the total length of the road compared to the first day. How many meters is the total length of this road?
一个工程队修一条公路．第一天修了40米，第二天修了80米．第二天比第一天多修的是这条路全长的(1/5)，这条路全长多少米？
<gadget id="calculator">80 - 40</gadget>
<output>40</output>

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

<gadget id="calculator">40 / (1/5)</gadget>
<output>200</output>

<result>200</result>