The road repair team repaired a road, repaired (3/4)km in the first week, and repaired (5/6)km in the second week, and the remaining (3/8)km was less than the sum of the previous two weeks. How many kilometers in total?
修路队修一条公路，第一周修了(3/4)km，第二周修了(5/6)km，剩下的比前两周修的总和少(3/8)km，这条公路共长多少千米？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(5/6) - (3/8)</gadget>
<output>11/24 = around 0.458333</output>

<gadget id="calculator">(3/4) + (5/6) + (3/4) + (11/24)</gadget>
<output>67/24 = around 2.791667</output>

<result>67/24 = around 2.791667</result>