A uniform log with a length of 6 meters is cut into two parts along its cross section, and the surface area increases by 10 square decimeters. What is the volume of this log?
一根均匀的圆木长6米，沿着它的横截面截成两段后，表面积增加10平方分米，求这根圆木的体积？
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">6 * 10</gadget>
<output>60</output>

<gadget id="calculator">5 * 60</gadget>
<output>300</output>

<result>300</result>