Fold a 2-meter-long rope in half three times in a row, and divide it into several sections on average. Each section accounts for ((())/(())) of the total length. What is the length of each section in centimeters?
把一根2米长的绳子连续对折3次，平均分成若干段，每段占全长的((())/(()))，每段长多少厘米．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">2 * 100 * (1/8)</gadget>
<output>25</output>

<result>25</result>