Xiao Ming has a long rope. After he folds the rope in half 3 times, he measures that the length of the rope after folding in half is 4 meters. How many meters is the actual length of the rope?
小明有一根长绳，他将绳子对折3次后，量得对折后的绳长4米，这根绳子实际长多少米？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">4 / (1/8)</gadget>
<output>32</output>

<result>32</result>