Fold a piece of rectangular paper in half 3 times, and then open it again, how many equal parts is this piece of paper divided into? What fraction of it is each serving?
把一张长方形纸对折3次，再打开，这张纸被平均分成了几份？每份是它的几分之一？
<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

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