Team A completes a project in 3 days (1/4), and the work efficiency of team A is (2/3) that of team B. How many days does it take for team B to complete this project alone?
一项工程甲队3天完成它的(1/4)，甲队的工作效率是乙队的(2/3)，乙队独做这项工程需几天完成？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(1/4) / 3 / (2/3)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 / (1/8)</gadget>
<output>8</output>

<result>8</result>