Dangdang sawed a 1.5-meter-long square log into three sections on average, and the surface area increased by 36 square decimeters. What is the volume of this square log in cubic decimeters?
当当把一根长1.5米的方木平均锯成三段，表面积增加了36平方分米，原来这根方木的体积是多少立方分米．
<gadget id="calculator">36 / 4</gadget>
<output>9</output>

<gadget id="calculator">1.5 * 10</gadget>
<output>15</output>

<gadget id="calculator">9 * 15</gadget>
<output>135</output>

<result>135</result>