The volume of a cylindrical iron block is 1256cm**3, and the radius of the base is 4cm. What is the height of this cylindrical iron block?
一个圆柱形铁块的体积是1256cm**3，底面半径是4cm．这个圆柱形铁块的高是多少厘米？
<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

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

<gadget id="calculator">1_256 / 50.24</gadget>
<output>25</output>

<result>25</result>