A cylinder and a cone have the same volume and height, and the area of the base of the cylinder is 12 square centimeters. What is the area of the base of the cone in square centimeters?
一个圆柱和一个圆锥体积相等，高也相等，圆柱底面积是12平方厘米，圆锥的底面积是多少平方厘米．
<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<result>36</result>