If an iron cone is submerged in a cylindrical measuring cup with a bottom radius of 3 cm, the height of the water rises by 4 cm, what is the volume of the iron cone in cubic centimeters?
把一个铁圆锥浸没在底面半径为3厘米的圆柱形量杯中，水面高度上升4厘米，这个铁圆锥的体积是多少立方厘米．
<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9 * 4</gadget>
<output>113.04</output>

<result>113.04</result>