What is the original volume of a cuboid after its length, width and height are eliminated (1/2)
一个长方体长宽高各消去(1/2)后，现在体积是原来的多少
<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>