Fold a circular piece of paper in half 3 times and then unfold it, what is the size of each piece
把一张圆形纸片对折3次再展开，每份是它的多少
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>