In a cylindrical container with a bottom diameter of 10 cm, add some water to a depth of 8 cm. An apple is completely submerged in water, the water does not overflow, then the water depth increases to 10 cm. What is the volume of this apple in cubic centimeters?
在一个底面直径是10厘米圆柱体容器里加入若干水，水深8厘米．把一个苹果完全浸没在水中，水没有溢出，这时水深增加到10厘米．这个苹果的体积是多少立方厘米？
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

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

<gadget id="calculator">10 - 8</gadget>
<output>2</output>

<gadget id="calculator">3.14 * 25 * 2</gadget>
<output>157</output>

<result>157</result>