Cut a cuboid of wood with a length of 7cm, a width of 5cm and a height of 6cm into the largest cylinder. What is the volume of this cylinder?
把一个长7cm、宽5cm、高6cm的长方体木料，切削成一个最大的圆柱，这个圆柱的体积是多少．
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9 * 5</gadget>
<output>141.3</output>

<result>141.3</result>