A cube of wood with an edge length of 3cm is processed into the largest cylinder, what is the volume of the processed cylinder in cm**3.
一个棱长3cm的正方体木材加工成一个最大的圆柱体，加工成的圆柱体体积是多少cm**3．
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(3/2) ** 2</gadget>
<output>9/4 = around 2.25</output>

<gadget id="calculator">3.14 * (9/4) * 3</gadget>
<output>21.195</output>

<result>21.195</result>