A rope is folded in half 3 times, each length is 2 meters, how many meters is this rope in total?
一根绳子对折3次，每段2米，这根绳子共几米？
<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>