If a cylindrical wood with a base diameter of 6 cm and a length of 6 cm is used to make the largest cone, how many cubic centimeters of wood should be cut off?
把底面直径6厘米、长6厘米的圆柱形木料做成一个最大的圆锥，应切去木料多少立方厘米？
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

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

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

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3.14 * 9 * 6 * (2/3)</gadget>
<output>113.04</output>

<result>113.04</result>