The engineering team has built a road, and it has built (4/5) kilometers, and there is still (1/2) kilometers left to be repaired. How many kilometers is this road in total?
工程队修一条路，已修了(4/5)千米，还剩(1/2)千米没修，这条路共多少千米？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

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

<gadget id="calculator">(4/5) + (1/2)</gadget>
<output>13/10 = around 1.3</output>

<result>13/10 = around 1.3</result>