If the volume of a cylinder is 251.2 cubic decimeters and the radius of the base is 4 decimeters, what is the height of the cylinder in centimeters?
一个圆柱的体积是251.2立方分米，底面半径是4分米，则圆柱的高是多少厘米．
<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16</gadget>
<output>50.24</output>

<gadget id="calculator">251.2 / 50.24</gadget>
<output>5</output>

<gadget id="calculator">5 * 10</gadget>
<output>50</output>

<result>50</result>