The bottom diameter of a cylindrical glass container is 10 cm. When a conical iron block with a bottom radius of 2 cm is taken out of the container, the water level drops by 2 cm. What is the height of the conical iron block in cm?
一个圆柱形玻璃容器底面直径是10厘米，把一个底面半径为2厘米的圆锥形铁块从容器中取出后，水面下降2厘米，圆锥铁块的高是多少厘米？
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">3.14 * 25 * 2</gadget>
<output>157</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</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 / (1/3) / 12.56</gadget>
<output>37.5</output>

<result>37.5</result>