A cylinder of iron with a base radius of 2.5 decimeters and a height of 3.3 decimeters is melted and cast into a cylinder with the same base as it. What is the height of the cone?
将一个底面半径是2.5分米、高是3.3分米的圆柱体铁块，熔铸成一个与它等底的圆柱体，这个圆锥体的高是多少分米？
<gadget id="calculator">3.3 * 3</gadget>
<output>9.9</output>

<result>9.9</result>