If two cubes with side lengths of 5 cm are put together to form a cuboid, the surface area of the cuboid is reduced by the sum of the surface areas of the two cubes by how many square centimeters.
把棱长是5厘米的两个正方体拼成一个长方体，长方体的表面积比两个正方体表面积之和减少了多少平方厘米．
<gadget id="calculator">5 * 5 * 2</gadget>
<output>50</output>

<result>50</result>