Three road repair teams A, B, and C work together to build a road. When the repair is completed, team A has repaired 39 kilometers, team B has repaired the rest (3/5), and team C has repaired the full length (1/9) , how many kilometers did Team C repair?
甲、乙、丙三个修路队共同修一条路，修完时甲队修了39千米，乙队修了剩下的(3/5)，丙队修的是全长的(1/9)，丙队修了多少千米？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">39 * (3/5)</gadget>
<output>117/5 = around 23.4</output>

<gadget id="calculator">39 - (117/5)</gadget>
<output>78/5 = around 15.6</output>

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1 - (3/5) - (1/9)</gadget>
<output>13/45 = around 0.288889</output>

<gadget id="calculator">(78/5) / (13/45)</gadget>
<output>54</output>

<gadget id="calculator">54 * (1/9)</gadget>
<output>6</output>

<result>6</result>