Jacob Rees-Mogg issued a style guide for his staff. Newspaper's and Wire Services do this and different organizations have differing styles. Does one use the "Oxford Comma" or not — differs based on what style guide one uses.
Ress-Mogg told his staff that he wanted them to use "Imperial Measurements" which for Americans and British are the units of measurements which were traditional prior to the metric system and which are considered by many to be unscientific. Of course, Kelvin is more scientific that Celsius — but that's a different topic.
A radio caller who apparently is opposed to the traditional units of measurement asked Jacob Rees-Mogg how many yards are in a mile.
The man who was king at the time that the American Colonies revolted was George III. He became King when his father died in 1760. If one can remember when George III became king (and I suspect most of us cannot) then one should have no trouble remembering how many yards are in a mile.
Note: This is intended to be humorous. I have a very warped sense of humor. (Or should I say "humour?")