Type a document at a certain speed, and complete (1/8) of this document every day, and how much of this document is completed in (1/2) days.
以一定速度打一份文件，每天完成这份文件的(1/8)，(1/2)天完成这份文件的多少．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/8) * (1/2)</gadget>
<output>1/16 = around 0.0625</output>

<result>1/16 = around 0.0625</result>