Rotate a piece of rectangular paper with a length of 4 cm and a width of 3 cm by 180° about the long side as the axis to obtain a shape. What is the volume of this shape in cubic centimeters?
将一张长4厘米，宽3厘米的长方形纸以长边为轴旋转180°，得到一个形体，这个形体的体积是多少立方厘米．
<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9 * 4</gadget>
<output>113.04</output>

<result>113.04</result>