The height of a wine bottle is 30cm, the diameter of the bottom surface is 8cm, and the height of the wine in the bottle is 20cm. After the mouth of the wine bottle is corked tightly, the mouth of the bottle is downward. At this time, the height of the wine is 24cm. What is the volume of the wine bottle in milliliters?
一个酒瓶的高是30cm，底面直径是8cm，瓶里有酒20cm高，把酒瓶口塞紧后瓶口向下，这时酒高24cm，酒瓶的容积是多少毫升？
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">30 - 24</gadget>
<output>6</output>

<gadget id="calculator">6 + 20</gadget>
<output>26</output>

<gadget id="calculator">3.14 * 16 * 26</gadget>
<output>1_306.24</output>

<result>1_306.24</result>