How many cubic centimeters need to be cut from a cube with side length of 6 cm to form the largest cylinder?
把一个棱长是6厘米的正方体木块，削成一个最大的圆柱体，需要削去多少立方厘米？
<gadget id="calculator">6 * 6 * 6</gadget>
<output>216</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

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

<gadget id="calculator">3.14 * 9 * 6</gadget>
<output>169.56</output>

<gadget id="calculator">216 - 169.56</gadget>
<output>46.44</output>

<result>46.44</result>