A cylinder and a cone have the same volume and height. The area of the base of the cone is 12m**2. What is the area of the base of the cylinder in m**2?
一个圆柱和一个圆锥体积相等，高也相等，圆锥的底面积是12m**2，圆柱的底面积是多少m**2．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12 * (1/3)</gadget>
<output>4</output>

<result>4</result>