Fold a piece of rectangular paper in half 3 times. The creases divide the paper into several equal parts. How much does each part take up on the paper?
把一张长方形纸对折3次，折痕将这张纸平均分成了若干份，每份占这张纸的多少
<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>