If a piece of rectangular paper is folded in half consecutively 3 times, what is its original size?
一张长方形纸连续对折3次后，大小占原来的多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

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