A rope is folded in half once, folded in half again, and then folded in half again, then its length is 2 meters. What is the original length of this rope in meters?
一根绳子，对折一次，再对折1次，然后又对折1次，这时它的长度为2米．这根绳子原来的长度为多少米．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * (1/2) * (1/2)</gadget>
<output>1/8 = around 0.125</output>

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

<result>16</result>