Take a conical block whose base radius is 5 cm, cut it vertically from the apex to two identical blocks along the height, then the surface area increases by 120 square centimeters, find the volume of the conical block as How many cubic centimeters.
把一个底面半径是5厘米的圆锥形木块，从顶点处沿着高竖直把它切成两块完全相同的木块，这时表面积增加120平方厘米，求这个圆锥形木块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">120 / 2</gadget>
<output>60</output>

<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">60 * (1/5)</gadget>
<output>12</output>

<gadget id="calculator">(1/3) * 3.14 * 25 * 12</gadget>
<output>314</output>

<result>314</result>