A "slender" rectangular parallelepiped whose base length is 20 centimeters and height is 6.28 decimeters is forged into a "short and fat" shaped cylinder whose base perimeter is 125.6 centimeters. How much is the height?
将一个底面四边长都是20厘米、高是6.28分米的"瘦长"形长方体锻压成底面周长为125.6厘米的"矮胖"形圆柱，高变成了多少？
<gadget id="calculator">20 * 20 * 6.28 * 10</gadget>
<output>25_120</output>

<gadget id="calculator">125.6 / 3.14 / 2</gadget>
<output>20</output>

<gadget id="calculator">20 ** 2</gadget>
<output>400</output>

<gadget id="calculator">400 * 3.14</gadget>
<output>1_256</output>

<gadget id="calculator">25_120 / 1_256</gadget>
<output>20</output>

<result>20</result>