Cut a largest cylinder in a cuboid block with a length of 10cm, a width of 6cm and a height of 5cm. What is the maximum volume of this cylinder in cm**2.
在长10cm、宽6cm、高5cm的长方体木块内削一个最大的圆柱，这个圆柱的体积最大是多少cm**2．
<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) * 10</gadget>
<output>196.25</output>

<result>196.25</result>