A man saw a post on Facebook.

A man saw a post on Facebook.

The post said-
hamburger + fries = £5
fries + slushie= £7
slushie + chicken nuggets = £11
How much does a slushie, chicken nuggets, fries and a hamburger cost?
The man was incredibly stupid so he dawned on the question for hours and hours. While he was thinking, the answer just dawned on him. He scrolled down to the comment section and typed in one word.
"Diabetes"