A conical copper block with a base radius of 3 cm is immersed in a cylindrical water storage glass with a base radius of 6 cm, and the water level rises by 0.8 cm. How high is the copper block in centimeters?
一块底面半径3厘米的圆锥形铜块，浸入底面半径6厘米的圆柱形储水玻璃杯中，水面上升0.8厘米．该铜块高多少厘米．
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9</gadget>
<output>28.26</output>

<gadget id="calculator">3 / 28.26</gadget>
<output>0.106157</output>

<gadget id="calculator">3.14 * 9 * 0.8 * 0.106157</gadget>
<output>2.399997</output>

<result>2.399997</result>