After folding a rope in half 3 times, what is the percentage of each piece of paper in the whole piece of paper?
把一根绳子对折3次以后，其中每份纸占整张纸的多少．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

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