A cuboid, the lengths of the three sides intersecting at the same vertex are 4 cm, 5 cm, and 6 cm respectively. If it is cut into a cylinder with the largest volume, what is the volume of this cylinder in cubic centimeters (reserve π)
一个长方体，相交于同一个顶点的三条棱长分别是4厘米、5厘米、6厘米，把它削成一个体积最大的圆柱体，这个圆柱体的体积是多少立方厘米(保留π)
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">(5/2) ** 2</gadget>
<output>25/4 = around 6.25</output>

<gadget id="calculator">(25/4) * 4</gadget>
<output>25</output>

<result>25</result>