Cut a cuboid whose length, width and height are 6cm, 4cm, and 5cm into the largest cylinder. What is the volume of the cut cylinder in cubic centimeters?
把一个长宽高分别为6cm，4cm，5cm的长方体削成最大的圆柱体，削成的圆柱体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>