A cuboid container with a length of 8 decimeters and a width of 6 decimeters is filled with water. A small cylindrical iron block and a conical iron block with the same bottom and height are all immersed in the water at the same time. The water surface rises by 3 cm. Find the cone The volume of the iron block.
一个长8分米，宽6分米的长方体容器内装有水，现把一个小圆柱铁块和一个与它等底等高的圆锥铁块同时全部浸没在水中，水面上升了3厘米，求圆锥铁块的体积．
<gadget id="calculator">8 * 6 * 0.3</gadget>
<output>14.4</output>

<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">14.4 / 4</gadget>
<output>3.6</output>

<result>3.6</result>