1.5-meter-long cuboid wood is cut into 3 sections parallel to the cross-section, and the surface area increases by 6 square decimeters compared to the original one. What is the volume of the original cuboid wood?
一根长1.5米的长方体木料，平行于横截面截成3段后表面积比原来增加了6平方分米，原来长方体木料的体积是多少．
<gadget id="calculator">6 / 4</gadget>
<output>3/2 = around 1.5</output>

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

<gadget id="calculator">(3/2) * 15</gadget>
<output>45/2 = around 22.5</output>

<result>45/2 = around 22.5</result>