A project needs 8(1/2) days to complete, and after 5 days of work, there is still ((())/(())) of this project.
一项工程，需8(1/2)天完成，工作5天后还剩下这项工程的((())/(()))．
<gadget id="calculator">1 / 17</gadget>
<output>1/17 = around 0.058824</output>

<gadget id="calculator">(1/17) * 5</gadget>
<output>5/17 = around 0.294118</output>

<gadget id="calculator">1 - (5/17)</gadget>
<output>12/17 = around 0.705882</output>

<result>12/17 = around 0.705882</result>