1750 pints at approx £2 per pint.
Approx. 220 calories per pint, so 385000 calories.
You can get Stella cans at approx £1 per pint so that would be an even more impressive 770000 calories of beer to burn.
Which is 770 hours of sweet spot (1000cals an hour).
That’s approx 385000 calories of beer to burn, so staying the same weight is some achievement!