A rope is folded in half four times in a row, and each length is the length of the rope
一根绳子连续对折4次，其中每段是这根绳子的多少
<gadget id="calculator">1 / 16</gadget>
<output>1/16 = around 0.0625</output>

<result>1/16 = around 0.0625</result>