Divide a 1.8-meter-long cuboid into 4 short blocks of the same length, and the surface area increases by 48 square decimeters. Find the base area of this cuboid.
把一根1.8米长的长方体木料分成4段同样长的短木块，表面积增加了48平方分米，求这根长方体木料的底面积．
<gadget id="calculator">48 / 6</gadget>
<output>8</output>

<result>8</result>