The road construction team repaired a road. On the first day, they repaired the full length (1/5) and 1000 meters, and on the second day they repaired the rest (2/7). At this time, there is still 500 meters of road left to be repaired. How many meters is this road?
筑路队修一条公路，第一天修了全长的(1/5)又1000米，第二天修了余下的(2/7)，这时还剩下500米路没有修．这条公路长多少米？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">1 - (2/7)</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">500 / (5/7)</gadget>
<output>700</output>

<gadget id="calculator">700 + 1_000</gadget>
<output>1_700</output>

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

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

<gadget id="calculator">1_700 / (4/5)</gadget>
<output>2_125</output>

<result>2_125</result>