A cuboid wood with a length of 1.5m has a square bottom. After sawing the wood into two pieces horizontally, the surface area increases by 0.32m**2. Calculate the surface area of the original wood.
一根长1.5m的长方体木料，底面是正方形，横着把木料锯成两段后，表面积增加0.32m**2，求原来木料的表面积．
<gadget id="calculator">0.4 * 0.4</gadget>
<output>0.16</output>

<gadget id="calculator">0.4 * 1.5</gadget>
<output>0.6</output>

<gadget id="calculator">0.16 + 0.6 + 0.6</gadget>
<output>1.36</output>

<gadget id="calculator">1.36 * 2</gadget>
<output>2.72</output>

<result>2.72</result>