If the edge length of a cube is reduced to its (1/2), how much will its volume be reduced to
一个正方体的棱长缩小到它的(1/2)，体积将缩小到它的多少
<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>