If three cubes with side lengths of 5 cm are used to form a cuboid, the surface area of the cuboid is reduced by the sum of the surface areas of the original three cubes by how many square centimeters.
用三个棱长都是5厘米的正方体拼成一个长方体，长方体的表面积比原来三个正方体表面积的和减少多少平方厘米．
<gadget id="calculator">5 * 5 * 4</gadget>
<output>100</output>

<result>100</result>