He ate 2*3=<<2*3=6>>6 ounces of cheez its

That means he ate 6*150=<<6*150=900>>900 calories

He burned 40*12=<<40*12=480>>480 calories

So he ate an excess of 900-480=<<900-480=420>>420 calories

# Answer

420
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
James binges on Cheezits and eats 3 bags that are 2 ounces each.  There are 150 calories in an ounce of Cheezits.  He then goes for a 40-minute run and burns 12 calories per minute.  How many excess calories did he eat?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
420
James binges on Cheezits and eats 3 bags that are 2 ounces each.  There are 150 calories in an ounce of Cheezits.  He then goes for a 40-minute run and burns 12 calories per minute.  How many excess calories did he eat?
train