If the side of a cylinder is expanded into a rectangle whose length and width are 6 and 12 respectively, what is the volume of the cylinder (π takes 3)
将一个圆柱体侧面展开是一个长、宽分别为6和12的长方形，则这个圆柱的体积等于多少(π取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>