Fold a piece of iron wire in half continuously 4 times, what is the total length of each piece
把一根铁丝连续对折4次，每段是全长的多少
<gadget id="calculator">1 / 16</gadget>
<output>1/16 = around 0.0625</output>

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