Given that the length of a rectangle is 4cm and the width is 3cm, how can it be rolled into a cylinder with the largest volume? What is the maximum cubic centimeter of the cylinder? (retain two decimal places)
已知一个长方形的长为4cm，宽为3cm，问它怎样卷成的圆柱体体积最大？计算圆柱的最大体积是多少立方厘米？(得数保留两位小数)
<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16 * 3</gadget>
<output>150.72</output>

<result>150.72</result>