A cylinder and a cone have the same base area, the volume of the cylinder is twice the volume of the cone, and the height of the cylinder is equal to the height of the cone
一个圆柱和一个圆锥的底面积相等，圆柱的体积是圆锥体积的2倍，圆柱的高是圆锥高的多少
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 2</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>