In a cube container with a side length of 3 meters, a conical iron block with a height of 2 meters is submerged. When the conical iron block is taken out of the container, the water level in the container drops by 1 meter, then the volume of the conical iron block How many cubic meters.
在一个棱长是3米的正方体容器里，浸没一个高为2米的圆锥铁块，当把此圆锥铁块从容器中取出时，容器里的水面下降了1米，则圆锥铁块的体积为多少立方米．
<gadget id="calculator">3 * 3 * 1</gadget>
<output>9</output>

<result>9</result>