A piece of iron is submerged in a cylindrical tank. The area of the bottom of the cylinder is 12.56 square centimeters. The water level rises by 2 centimeters. What is the volume of the piece of iron in cubic centimeters?
把一个铁块浸没在一个圆柱体的水槽中，圆柱的底面积是12.56平方厘米，水面上升了2厘米，这个铁块的体积是多少立方厘米．
<gadget id="calculator">12.56 * 2</gadget>
<output>25.12</output>

<result>25.12</result>