Fold a piece of square paper in half consecutively 3 times, after unfolding all of them, one of them is the size of the paper
将一张正方形纸连续对折3次，全部展开后其中一份是这张纸的多少
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

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