Fold a piece of rectangular paper in half 3 times, how much does each piece take up in the whole rectangle
把一张长方形纸对折3次，每份占整个长方形的多少
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

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