A rope is 5 meters after being folded in half three times, how long is the rope in meters?
一条绳子对折3次后是5米，这绳子长多少米．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">5 / (1/8)</gadget>
<output>40</output>

<result>40</result>