A 72dm long cuboid wood is sawed into 3 sections on average, and the surface area is just increased by 48dm**2. What is the volume of this wood in cubic decimeters?
一根72dm长的长方体木料，把它平均锯成3段，表面积正好增加48dm**2，这根木料的体积是多少立方分米？
<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<gadget id="calculator">12 * 72</gadget>
<output>864</output>

<result>864</result>