contract a project. Team A takes 36 days to complete the contract alone; Team B takes 24 days to complete the contract alone; Team C only needs 18 days to complete the contract alone. In actual construction, the three teams will complete half of the project together, and then A and C will continue to complete the remaining half of the project. The contracting fee for the project totaled 36,000 yuan. If the contracting fee is allocated according to the completed project quantity, then how much should Team C be paid for the contracting fee?
承包某项工程．甲队单独承包需要36天完成；乙队单独承包需要24天完成；丙队单独承包仅需要18天完成．实际施工时，先由三个队共同完成工程的一半，然后由甲和丙一起继续完成剩下的一半工程．工程的承包费共计36000元．如果按照完成工程量分配承包费，那么，丙队应得承包费多少元．
<gadget id="calculator">1 / 18</gadget>
<output>1/18 = around 0.055556</output>

<gadget id="calculator">1 / 36</gadget>
<output>1/36 = around 0.027778</output>

<gadget id="calculator">1 / 24</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">(1/36) + (1/24) + (1/18)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(1/18) / (1/8)</gadget>
<output>4/9 = around 0.444444</output>

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

<gadget id="calculator">(4/9) * (1/2)</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">(1/36) + (1/18)</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/18) / (1/12)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/3) * (1/2)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(2/9) + (1/3)</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">(5/9) * 36_000</gadget>
<output>20_000</output>

<result>20_000</result>