To build a road, 20% of the total length was built on the first day, and (5/8) of the total length was repaired on the second day. The second day was 340 meters longer than the first day. How many meters is the total length of this road?
修一条路，第一天修了总长的20%，第二天修了总长的(5/8)，第二天比第一天多修了340米，这条路总长多少米？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

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

<gadget id="calculator">(5/8) - (1/5)</gadget>
<output>17/40 = around 0.425</output>

<gadget id="calculator">340 / (17/40)</gadget>
<output>800</output>

<result>800</result>