Joseph has 100 * 0.80 = <<100*0.80=80>>80 less boxes than Stan.

Joseph has a total of 100 - 80 = <<100-80=20>>20 boxes.

Jules has 20 + 5 = <<20+5=25>>25 boxes.

John has 25 * 0.20 = <<25*0.20=5>>5 more boxes than Jules.

John has a total of 25 + 5 = <<25+5=30>>30 boxes

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
John has 20% more boxes than Jules. Jules has 5 more boxes than Joseph. Joseph has 80% fewer boxes than Stan. If Stan has 100 boxes, how many boxes does John have?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
30
John has 20% more boxes than Jules. Jules has 5 more boxes than Joseph. Joseph has 80% fewer boxes than Stan. If Stan has 100 boxes, how many boxes does John have?
train