Fold a piece of rectangular paper in half consecutively 3 times and then open it, what is the size of each piece
把一张长方形纸连续对折3次后打开，每一份是这张的多少
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

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