There is a rope, which is folded 3 times in a row, and the length of each fold is 4 meters. How long is the rope?
有一根绳子，连续对折3次，量得每折长4米，这根绳子长几米？
<gadget id="calculator">4 * 8</gadget>
<output>32</output>

<result>32</result>