A project alone can be completed in 24 days, B in 36 days, and C in 72 days. Now A, B, and C are working together on this project. During this period, A rested for 2 days, B rested for 3 days, and C did not rest. How many days did it take to complete the project?
一项工程，甲单独完成需要24天，乙单独完成需要36天，丙单独完成需要72天．现在由甲、乙、丙三人合作这项工程，期间甲休息了2天，乙休息了3天，丙没有休息，完成这项工程一共用了多少天？
<gadget id="calculator">1 / 24</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">(1/24) * 2</gadget>
<output>1/12 = around 0.083333</output>

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

<gadget id="calculator">(1/36) * 3</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/12) + (1/12) + 1</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">1 / 72</gadget>
<output>1/72 = around 0.013889</output>

<gadget id="calculator">(1/24) + (1/36) + (1/72)</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(7/6) / (1/12)</gadget>
<output>14</output>

<result>14</result>