A cylinder has a base circumference of 50.24 decimeters and a height of 15 decimeters. What is its volume in cubic decimeters?
一个圆柱，底面周长是50.24分米，高是15分米，它的体积是多少立方分米？
<gadget id="calculator">50.24 / 3.14 / 2</gadget>
<output>8</output>

<gadget id="calculator">8 ** 2</gadget>
<output>64</output>

<gadget id="calculator">3.14 * 64 * 15</gadget>
<output>3_014.4</output>

<result>3_014.4</result>