A piece of work, 4 days to complete its (1/3), according to this calculation, how many days will be needed for the remaining work.
一件工作，4天完成它的(1/3)，照这样计算，剩下的工作还需要多少天．
<gadget id="calculator">1 / 3</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">(1/3) / 4</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(2/3) / (1/12)</gadget>
<output>8</output>

<result>8</result>