If a cylinder with a height of 10 cm is truncated by a cylinder with a height of 2 cm, the surface area is reduced by 37.68 cm2. What is the volume of the original cylinder in cubic centimeters?
一个高为10厘米的圆柱体，截去一个高2厘米的圆柱体，表面积减少37.68平方厘米．则原来圆柱体的体积是多少立方厘米．
<gadget id="calculator">37.68 / 2</gadget>
<output>18.84</output>

<gadget id="calculator">18.84 / 3.14 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9 * 10</gadget>
<output>282.6</output>

<result>282.6</result>