For a cylinder and a cone with the same base and height, if the height of the cone is increased by 12 cm, the volume of the cone and the cylinder will be equal. It is known that the radius of the base of the cone is 5 cm. What is the original volume of the cone in cubic centimeters?
等底等高的圆柱体与圆锥体，如果圆锥体高增加12厘米，则圆锥体与圆柱体体积相等，已知圆锥的底面半径是5厘米，原来圆锥的体积是多少立方厘米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">(1/3) * 3.14 * 25 * 6</gadget>
<output>157</output>

<result>157</result>