Cut off a rope x meters long in half and then in half. After cutting 4 times, the remaining length is exactly 2 meters. What is the original length of the rope?
将一根长为x米的绳子一半再一半地剪去，剪了4次后，剩下的正好是2米，这根绳子原来长多少米．
<gadget id="calculator">2 * 2 * 2 * 2 * 2</gadget>
<output>32</output>

<result>32</result>