The radius of the base of a cylinder is 2 cm and its volume is 25.12 cubic centimeters. What is the height of the cylinder in centimeters?
圆柱的底面半径是2厘米，体积是25.12立方厘米，这个圆柱的高是多少厘米．
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

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

<gadget id="calculator">25.12 / 12.56</gadget>
<output>2</output>

<result>2</result>