A cuboid piece of wood with a length of 72 decimeters is sawed into 3 sections on average, and the surface area is increased by exactly 48 square decimeters. What is the volume of this piece of wood in cubic meters?
一根长为72分米的长方体木料，把它平均锯成3段，表面积正好增加48平方分米，这根木料的体积是多少立方米？
<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<gadget id="calculator">72 / 1_000</gadget>
<output>9/125 = around 0.072</output>

<gadget id="calculator">12 * (9/125)</gadget>
<output>108/125 = around 0.864</output>

<result>108/125 = around 0.864</result>