A cylinder and a cone have the same height and volume respectively. It is known that the base area of the cylinder is 78.5cm**2, what is the base area of the cone?
一个圆柱和一个圆锥的高和体积分别相等．已知圆柱的底面积是78.5cm**2，圆锥的底面积是多少？
<gadget id="calculator">78.5 * 3</gadget>
<output>235.5</output>

<result>235.5</result>