If a cube with an edge length of 5 cm is cut into a cylinder as large as possible, what is the volume of the cylinder in cm**3.
把一个棱长为5cm的正方体削成一个尽可能大的圆柱，则这个圆柱的体积是多少cm**3．
<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) * 5</gadget>
<output>98.125</output>

<result>98.125</result>