The road repair team repairs a road, the remaining (1/5) has been repaired, and (2/5) kilometers are left, how many kilometers have been repaired?
修路队修一条公路，已修的是剩下的(1/5)，还剩下(2/5)千米，已经修了多少千米？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

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

<gadget id="calculator">(2/5) * (1/5)</gadget>
<output>2/25 = around 0.08</output>

<result>2/25 = around 0.08</result>