If a cone with a base area of 18 cm2 is immersed in a cylindrical container of water with a base area of 30 cm2, the water level rises by 4 cm (no water overflows), what is the volume of the cone in cm3?
把一个底面积是18平方厘米的圆锥浸没在底面积是30平方厘米的盛水的圆柱形容器里，水面升高了4厘米(没有水溢出)，这个圆锥的体积是多少立方厘米．
<gadget id="calculator">30 * 4</gadget>
<output>120</output>

<result>120</result>