Divide the 3-meter-long rope into 8 sections, and each section is the full length ((())/(())).
把3米长的绳子平均分成8段，每段是全长的((())/(()))．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>