What is the surface area of the cuboid in square centimeters by gluing two cubes of wood with a side length of 3 cm to form a cuboid?
把2个棱长3厘米的正方体木块粘合成一个长方体，这个长方体的表面积是多少平方厘米
<gadget id="calculator">3 * 3 * 10</gadget>
<output>90</output>

<result>90</result>