Cut a piece of wood with a length of 1.2m into 3 sections on average, the total surface area of these 3 sections increases by 12dm**2. What is the volume of this piece of wood?
把一根长1.2m的木料平均截成3段，这3段木料的表面积总和增加了12dm**2．原来这根木料的体积是多少．
<gadget id="calculator">10 / 4</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">1.2 * (5/2) * 1.2 * 10</gadget>
<output>36</output>

<result>36</result>