A log is 2 meters long. After cutting it into four sections of the same length, the surface area increases by 60 square decimeters. What is the volume of the log in cubic meters?
一根圆木长2米，把它截成同样长的四段后，表面积增加60平方分米，原来这根圆木的体积是多少立方米．
<gadget id="calculator">60 / 10</gadget>
<output>6</output>

<gadget id="calculator">0.6 / 6</gadget>
<output>0.1</output>

<gadget id="calculator">0.1 * 2</gadget>
<output>0.2</output>

<result>0.2</result>