Fold a circular piece of paper in half, fold in half, and fold in half again; the paper is folded into 8 parts of the same size, and each part is equal to the size of the circular paper.
把一张圆形纸片对折、对折、再对折；纸片被折成了同样大小的8部分，每一部分都是圆形纸片的多少．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

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