road repair team completed a road in three days. On the first day, it repaired 6 kilometers, on the second day it repaired the rest (4/11), and on the third day it repaired exactly half of the total length. How many kilometers is this road?
某修路队三天修完一条公路，第一天修了6千米，第二天修了剩下的(4/11)，第三天正好修了全长的一半，这条公路长多少千米？
<gadget id="calculator">4 / 11</gadget>
<output>4/11 = around 0.363636</output>

<gadget id="calculator">6 * (4/11)</gadget>
<output>24/11 = around 2.181818</output>

<gadget id="calculator">6 - (24/11)</gadget>
<output>42/11 = around 3.818182</output>

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

<gadget id="calculator">(1/2) - (4/11)</gadget>
<output>3/22 = around 0.136364</output>

<gadget id="calculator">(42/11) / (3/22)</gadget>
<output>28</output>

<result>28</result>