Cut a cuboid whose length, width, and height are 6 cm, 4 cm, and 5 cm respectively into a largest cylinder. What is the volume of the cylinder in cubic centimeters?
把长、宽、高分别是6厘米、4厘米、5厘米的长方体削成一个最大的圆柱体，圆柱的体积是多少立方厘米．
<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">3.14 * (25/4) * 4</gadget>
<output>78.5</output>

<result>78.5</result>