If you fold a piece of paper in half three times, what is the area of the figure obtained?
把一张纸对折3次，得到的图形的面积是这张纸的多少．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

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