After submerging a conical iron block in a cylindrical container with a bottom radius of 6 cm and a water depth of 20 cm, the water surface rises to 22 cm. What is the volume of this conical iron block?
把一个圆锥形铁块浸没在一个底面半径6厘米，水深20厘米的圆柱形容器后，水面上升到22厘米，这个圆锥铁块的体积是多少？
<gadget id="calculator">6 ** 2</gadget>
<output>36</output>

<gadget id="calculator">2 * 10</gadget>
<output>20</output>

<gadget id="calculator">22 - 20</gadget>
<output>2</output>

<gadget id="calculator">3.14 * 36 * 2</gadget>
<output>226.08</output>

<result>226.08</result>