The height of a cylinder is 10 cm. If the height is reduced by 2 cm, the surface area of the cylinder is reduced by 37.68 cm. What is the volume of the original cylinder in cubic centimeters?
一个圆柱的高是10厘米，若高减少2厘米后圆柱的表面积减少37.68厘米．原来圆柱的体积是多少立方厘米？
<gadget id="calculator">37.68 / 2 / 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>