A single manuscript, 10 days to complete. If (1/10) of this work is completed every day, ((())/(())) of this batch of parts can be completed in 8 days.
单打一份稿件，10天完成．每天完成这项工作的(1/10)，8天可以完成这批零件的((())/(()))．
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/10) * 8</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>