An engineering team wants to build a road, and it has been repaired (1/3), and there are 80 kilometers left. How many kilometers is the total length of this road?
一个工程队要修一条公路，已修了(1/3)，还剩80千米，这条公路全长多少千米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">80 / (2/3)</gadget>
<output>120</output>

<result>120</result>