job, 5 days to complete its (1/8), according to this calculation, how many days to complete the task.
一件工作，5天完成它的(1/8)，照这样计算，还要多少天可完成任务．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 - (1/8)</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">(1/8) / 5</gadget>
<output>1/40 = around 0.025</output>

<gadget id="calculator">(7/8) / (1/40)</gadget>
<output>35</output>

<result>35</result>