Put a conical iron block into a cylindrical container. When it is completely submerged in water, the water level rises by 2.5 cm. It is known that the bottom area of the cone is 20 cm2 and the height is 12 cm. Then the bottom area of the cylindrical container is How many square centimeters?
将一个圆锥形铁块放入一个圆柱形的容器里，完全浸没水中时，水面上升了2.5厘米，已知圆锥的底面积是20平方厘米，高为12厘米，则圆柱形容器的底面积是多少平方厘米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12 / 2.5</gadget>
<output>4.8</output>

<gadget id="calculator">(1/3) * 20 * 4.8</gadget>
<output>32</output>

<result>32</result>