Cut a cube with an edge length of 4 cm into the largest cylinder whose volume is equal to the volume of the cube.
把一个棱长为4cm的正方体削成一个最大的圆柱，这个圆柱的体积是正方体体积的多少．
<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">4 * 4 * 4</gadget>
<output>64</output>

<gadget id="calculator">50.24 / 64</gadget>
<output>0.785</output>

<result>0.785</result>