Cut the 3-meter-long rope into 4 sections on average, and the length of each section is the total length ((())/(())).
把3米长的绳子平均剪成4段，每段长多少米，是全长的((())/(()))．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3 * (1/4)</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>