A road has been built (1/5). If another 180 meters are repaired, the rest will be the same as the one that has been repaired. How many meters is the total length of this road?
修一条路，已修了(1/5)，如果再修180米，则剩下的与已修的同样多，这条路全长多少米？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/5) - (1/2)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">180 / (3/10)</gadget>
<output>600</output>

<result>600</result>