A conical iron block is completely submerged in a cylindrical tank with a diameter of 30 cm. The water level rises by 0.8 cm. What is the volume of the iron block in cubic centimeters?
将一块圆锥形的铁块，全部浸没在一个直径是30厘米的圆柱形水槽中，水面升高了0.8厘米，这个铁块的体积是多少立方厘米．
<gadget id="calculator">30 / 2</gadget>
<output>15</output>

<gadget id="calculator">15 ** 2</gadget>
<output>225</output>

<gadget id="calculator">3.14 * 225 * 0.8</gadget>
<output>565.2</output>

<result>565.2</result>