An engineering team repairs a road, and has repaired 40% of its total length, which is 16 kilometers less than the rest. Find the length of this road in meters.
一个工程队修一条公路，已经修了全长的40%，已经修的比剩下的少16千米，求这条公路长多少米．
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

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

<gadget id="calculator">16 / (1/5)</gadget>
<output>80</output>

<result>80</result>