He presses 15 pounds x 10 reps = <<15*10=150>>150 pounds

He moves 3 sets x 150 pounds = <<3*150=450>>450 pounds in total.

# Answer

450
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
John is lifting weights. He bench presses 15 pounds for 10 reps and does 3 sets. How much total weight does he move?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
450
John is lifting weights. He bench presses 15 pounds for 10 reps and does 3 sets. How much total weight does he move?
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