If 3 cubes with side lengths of 5 cm are put together to form a cuboid, the surface area is reduced by how many square centimeters.
把3个棱长都为5厘米的正方体拼成一个长方体，表面积减少了多少平方厘米．
<gadget id="calculator">5 * 5 * 4</gadget>
<output>100</output>

<result>100</result>