The road repair team completed a section of road in two days, the full length (2/5) on the first day, and (1/2) kilometers on the second day. How many kilometers is this road?
修路队两天修完一段公路，第一天修了全长的(2/5)，第二天修了(1/2)千米．这段公路有多少千米？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(1/2) / (3/5)</gadget>
<output>5/6 = around 0.833333</output>

<result>5/6 = around 0.833333</result>