Cut a cylinder into 3 sections on average, and each section is 2 meters long. The sum of the surface areas of the 3 small cylinders is 16m**2 larger than the original surface area. What is the volume of the original cylinder?
将一个圆柱平均截成3段，每段长2米，3个小圆柱的表面积之和比原来表面积大16m**2，原来圆柱的体积是多少．
<gadget id="calculator">16 / 4</gadget>
<output>4</output>

<gadget id="calculator">4 * 2 * 3</gadget>
<output>24</output>

<result>24</result>