The circumference of the base of a cylinder is 18.84cm, and the height is 0.5dm. What is its volume in cm**3.
一个圆柱的底面周长是18.84cm，高是0.5dm，它的体积是多少cm**3．
<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 * 0.5</gadget>
<output>14.13</output>

<result>14.13</result>