I can’t believe you’re talking about buying one sausage roll when you have £100 Bn to spend! What a limited outlook some of you have.
Assuming 80p per Greggs sausage roll and 7.1 Bn people in the world, I would use the money to end world hunger by buying every person alive 17.6 sausage rolls.
I would then spend my Nobel prize money on coke and hookers 8)