A piece of cuboid square steel with a length of 12 cm, a width of 3.14 cm, and a height of 2 cm is melted and cast into a conical billet with a bottom diameter of 8 cm. What is the height of this conical billet in centimeters?
把一块长为12厘米，宽为3.14厘米，高为2厘米的长方体的方钢，熔铸成底面直径是8厘米的圆锥形钢坯，这个圆锥形的钢坯的高是多少厘米？
<gadget id="calculator">12 * 3.14 * 2</gadget>
<output>75.36</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16</gadget>
<output>50.24</output>

<gadget id="calculator">75.36 / (1/3) / 50.24</gadget>
<output>4.5</output>

<result>4.5</result>