A project, a project team completed (1/2) of the whole project in 3 days, how many days will it take to complete the project.
一项工程，某工程队3天完成了全部工程的(1/2)，完成这项工程共要多少天．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) / 3</gadget>
<output>1/6 = around 0.166667</output>

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

<result>6</result>