I am on to something major here - a fucking conspiracy. Or we are just doing something different in the calculations, but every single source i can find it states that half a liter of soda has 25 sugar cubes.
Your math is of course right and i am a tired nitwit - but i need to get to the bottom of this.
These links just all say it has 25 cubes. One of them is from the dentist association, so i dont know what their scheme is ...yet.
http://tv.tv2.dk/go/article.php/id-65402109%3As%C3%A5-mange-sukkerknalder-er-der-i-din-cola.html
https://www.dagens.dk/nyheder/oversigt-saa-meget-sukker-er-der-i-din-cola-og-slik