Putting together two identical cuboids into a new cuboid, due to the different ways of putting together, the surface areas are reduced by 18 square decimeters, 14 square decimeters, and 26 square decimeters respectively. What is the surface area of each cuboid in square decimeters?
把两个完全一样的长方体拼成一个新的长方体，由于拼的方法不同，表面积分别比原来减少18平方分米、14平方分米、26平方分米．原来每个长方体的表面积是多少平方分米．
<gadget id="calculator">18 + 14 + 26</gadget>
<output>58</output>

<result>58</result>