If the side of a cylinder is expanded to be a rectangle whose length and width are 12 and 6 respectively, what is the volume of the cylinder? (π takes a value of 3)
将一个圆柱体侧面展开是一个长宽分别为12和6的长方形，则这个圆柱的体积等于多少．(π取值3)
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">12 / 6</gadget>
<output>2</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">3 * 4 * 6</gadget>
<output>72</output>

<result>72</result>