If a cylinder is cut into the largest cone, the volume is reduced by 12.8 cubic centimeters. What is the original volume of the cylinder in cubic centimeters?
把一个圆柱体削成一个最大的圆锥体，体积减少了12.8立方厘米，这个圆柱体的原体积是多少立方厘米．
<gadget id="calculator">12.8 / 2</gadget>
<output>6.4</output>

<gadget id="calculator">6.4 * 3</gadget>
<output>19.2</output>

<result>19.2</result>