cylinder with a height of 8 cm is cut along the radius and height of the bottom surface, and assembled into an approximate cuboid. The surface area is increased by 96 cm2 compared to the original one. What is the volume of the original cylinder?
把一个高8厘米的圆柱体，沿底面半径和高切开，拼成一个近似的长方体，表面积比原来增加了96平方厘米，原圆柱体体积是多少？
<gadget id="calculator">96 / 2 / 8</gadget>
<output>6</output>

<gadget id="calculator">6 ** 2</gadget>
<output>36</output>

<gadget id="calculator">3.14 * 36 * 8</gadget>
<output>904.32</output>

<result>904.32</result>