cylindrical glass container has a base radius of 5 cm measured from the inside. A porcelain toy is submerged in a container of water to a depth of 15 cm. After taking out the porcelain toy, the water depth in the container is 12 cm. What is the volume of this toy?
一个圆柱形玻璃容器，从里面量底面半径是5厘米．将一个瓷玩具沉入容器的水中，水深15厘米．将瓷玩具拿出后，容器内水深12厘米．这个玩具的体积是多少？
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">15 - 12</gadget>
<output>3</output>

<gadget id="calculator">3.14 * 25 * 3</gadget>
<output>235.5</output>

<result>235.5</result>