Fold a piece of rectangular paper in half 3 times, one of which is this piece of paper: (1/3)□(1/6)□(1/8)□.
将一张长方形纸对折3次，其中的1份是这张纸的：(1/3)□(1/6)□(1/8)□．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * (1/2) * (1/2)</gadget>
<output>1/8 = around 0.125</output>

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