A cylindrical container containing water has a base diameter of 8 cm. After submerging an object in water, the water level rises by 3 cm (the water does not overflow). What is the volume of this object in cubic centimeters?
一个盛水的圆柱形容器，底面直径是8厘米．把一个物体浸没在水中后，水面上升3厘米(水没有溢出)．这个物体的体积是多少立方厘米？
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

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

<gadget id="calculator">3.14 * 16 * 3</gadget>
<output>150.72</output>

<result>150.72</result>