If a cube with an edge length of 4 decimeters is cut into the largest cylinder, how many cubic decimeters will the volume be reduced?
一个棱长为4分米的正方体，削成一个最大的圆柱体，体积减少多少立方分米．
<gadget id="calculator">4 * 4 * 4</gadget>
<output>64</output>

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

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

<gadget id="calculator">3.14 * 4 * 4</gadget>
<output>50.24</output>

<gadget id="calculator">64 - 50.24</gadget>
<output>13.76</output>

<result>13.76</result>