If a rope is folded 3 times and its length is 2 meters, what is the length of the rope in meters?
一根绳子对折3次以后长2米，则这根绳子的长是多少米．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

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

<result>16</result>