He drinks 128/2 = <<128/2=64>>64 ounces of coffee every 4 days

That means he drinks 64/4 = <<64/4=16>>16 ounces of coffee a day

So he drinks 16/8 = <<16/8=2>>2 cups a day

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
John buys 1/2 gallon jugs of cold brew coffee every 4 days.  How many cups of coffee does he drink a day?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
2
John buys 1/2 gallon jugs of cold brew coffee every 4 days.  How many cups of coffee does he drink a day?
train