A project can be completed by team A alone in 24 days, and by team B in 30 days. Now team A has completed the project in 8 days first, and the rest will be completed by the two teams. How many more days will the two teams cooperate to complete?
一项工程，甲队单独做24天完成，乙队独做30天完成，现在甲队先做了8天后，余下的由两队合作完成，两队再合作多少天完成？
<gadget id="calculator">1 / 24</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">(1/24) * 8</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">(1/24) + (1/30)</gadget>
<output>3/40 = around 0.075</output>

<gadget id="calculator">(2/3) / (3/40)</gadget>
<output>80/9 = around 8.888889</output>

<result>80/9 = around 8.888889</result>