Workers have repaired a road, 60% of its total length has been repaired, which is 1600 meters longer than that without repair. How long is this road in meters?
工人们修一条路，已经修了全长的60%，比没修的多1600米，这条路全长多少米？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(3/5) - (2/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1_600 / (1/5)</gadget>
<output>8_000</output>

<result>8_000</result>