The workers built a road, and they built (5/8) kilometers on the first day, and (2/5) kilometers more on the second day than on the first day. How many tenths of a kilometer were repaired in two days?
工人们修一条路，第一天修了(5/8)千米，第二天比第一天多修了(2/5)千米．两天一共修了几分之几千米？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

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

<gadget id="calculator">(5/8) + (2/5)</gadget>
<output>41/40 = around 1.025</output>

<gadget id="calculator">(5/8) + (41/40)</gadget>
<output>33/20 = around 1.65</output>

<result>33/20 = around 1.65</result>