Fold a piece of rectangular paper in half, fold it in half, and fold it in half again. After unfolding, one part of it is equal to the size of the paper.
将一张长方形纸对折、对折、再对折，展开后其中的1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>