A metal cone with a base area of 10 cm in diameter is completely submerged in a cylindrical glass with a diameter of 40 cm. At this time, the water level in the cup is 1.5cm higher than before. How tall is the metal cone in cm?
将一个底面积直径10cm的金属圆锥体，全部浸没在直径为40cm的圆柱体形玻璃杯中．这时杯中水面比原来高了1.5cm．这个金属圆锥体高多少cm？
<gadget id="calculator">40 / 2</gadget>
<output>20</output>

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

<gadget id="calculator">400 * 1.5</gadget>
<output>600</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

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

<gadget id="calculator">25 / 3</gadget>
<output>25/3 = around 8.333333</output>

<gadget id="calculator">600 / (25/3)</gadget>
<output>72</output>

<result>72</result>