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A rectangular oil drum is 2.5 decimeters long, 2 decimeters wide and 4 decimeters high. If you put a circle of trademark paper around it, don't put this one up and down.
2 decimeters = 20 centimeters
(12×20 11×20)×2
= (240 220)×2
=460×2
=920 (square centimeters);
920 square centimeters = 9.2 square decimeters
Answer: The area of ??this trademark paper is at least It takes 9.2 square decimeters.