Put two cubes with side lengths of 1.5 decimeters together to form a cuboid. What is the surface area of this cuboid?
把两块棱长为1.5分米的正方体拼成一个长方体．这个长方体的表面积是多少平方分米？
<gadget id="calculator">1.5 * 1.5 * 10</gadget>
<output>22.5</output>

<result>22.5</result>