A cuboid steel ingot is 5 decimeters long, 4 decimeters wide, and 3.14 decimeters high. It is melted and cast into a cylindrical part with a bottom radius of 2 decimeters. How many decimeters is the height of the cylinder?
一个长方体钢锭长5分米，宽4分米，高3.14分米，将它熔铸加工成底面半径是2分米的圆柱形部件，圆柱的高是多少分米？
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>

<gadget id="calculator">3.14 / 12.56</gadget>
<output>0.25</output>

<gadget id="calculator">5 * 4 * 0.25</gadget>
<output>5</output>

<result>5</result>