An iron ball is immersed in a cylindrical measuring cylinder with a radius of 5 cm filled with water, and the height of the water rises from the original 12 cm to 14 cm. What is the volume of the ball in cubic centimeters?
把一个铁球浸没在盛有水的半径为5厘米的圆柱形量筒中，水的高度由原来的12厘米上升到14厘米．这个铁球的体积是多少立方厘米．
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">14 - 12</gadget>
<output>2</output>

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

<result>157</result>