Knead a cube of plasticine with a side length of 4cm into the largest cone, what is the volume of the cone?
把一个棱长是4cm的正方体橡皮泥，捏成一个最大的圆锥体，这个圆锥体的体积是多少．
<gadget id="calculator">4 * 4 * 4</gadget>
<output>64</output>

<result>64</result>