A 1-meter-long square log is sawn into 5 equal sections, and the surface area increases by 24 square decimeters. What is the volume of this square log?
1米长的方木，锯成相等的5段，表面积增加了24平方分米，这根方木的体积是多少．
<gadget id="calculator">24 / 8</gadget>
<output>3</output>

<gadget id="calculator">3 * 1 * 10</gadget>
<output>30</output>

<result>30</result>