A conical steel has a base radius of 5 cm and a height of 6 cm. If it is cast into a cylinder with a base radius of 2 cm, what is the height of the cylinder in cm?
一个圆锥形钢材的底面半径为5厘米，高是6厘米，如果把它铸成一个底面半径是2厘米的圆柱，圆柱的高是多少厘米？
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3.14 * 25 * 6 * (1/3)</gadget>
<output>157</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

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

<gadget id="calculator">157 / 12.56</gadget>
<output>12.5</output>

<result>12.5</result>