Expand the side of a cylinder with a height of 15 cm into a rectangle, and its length is 18.84 cm. What is the volume of this cylinder in cubic centimeters?
把高15厘米的圆柱体侧面展开成长方形，它的长是18.84厘米，这个圆柱体的体积是多少立方厘米？
<gadget id="calculator">2 * 3.14</gadget>
<output>6.28</output>

<gadget id="calculator">18.84 / 6.28</gadget>
<output>3</output>

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

<gadget id="calculator">3.14 * 9 * 15</gadget>
<output>423.9</output>

<result>423.9</result>