Put an irregular stone in a cylindrical container with a bottom diameter of 10 cm. After the stone is completely submerged in water, the water level rises by 3 cm (no water overflows). What is the volume of this stone in cubic centimeters?
在底面直径是10厘米的圆柱形容器中放入一块不规则的石头，石头完全浸没在水中后，水面上升了3厘米(没有水溢出)．这块石头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">3.14 * 25 * 3</gadget>
<output>235.5</output>

<result>235.5</result>