There are 8 tiles along the width and 20 tiles along the height for a total of 8*20 = <<8*20=160>>160 tiles

Each wall has 160 tiles and there are 3 walls so there are 160*3 = <<160*3=480>>480 tiles in the shower

# Answer

480
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Each wall of a 3 sided shower has 8 tiles running the width of the wall and 20 tiles running the height of the wall.  How many tiles are in the shower?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
480
Each wall of a 3 sided shower has 8 tiles running the width of the wall and 20 tiles running the height of the wall.  How many tiles are in the shower?
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