A bottle of beverage, the body of the bottle is cylindrical (not including the neck), the inside of a beverage bottle is 27 cm deep, the diameter of the bottom surface of the bottle is 10 cm, and the depth of the drink in the bottle is 15 cm. If the bottle is turned upside down, then The height of the empty part of the bottle is 5 cm, what is the volume of this bottle?
一瓶饮料，瓶身是圆柱形(不包括瓶颈)，一个饮料瓶里面深27厘米，已知瓶的底面直径10厘米，瓶里饮料深15厘米，如果使其瓶口向下倒立，这时瓶内空余部分的高度为5厘米，这个瓶子的容积是多少？
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

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

<gadget id="calculator">15 + 5</gadget>
<output>20</output>

<gadget id="calculator">3.14 * 25 * 20</gadget>
<output>1_570</output>

<result>1_570</result>