"Tea or coffee? Both!"
Translation:Te eller kaffe? Både och!
Arnauti explains it in this topic: https://forum.duolingo.com/comment/5568457
"... Actually båda and både are different words in Swedish. They both translate to both in English, but they're used differently. båda means 'both' as in 'both of us' but både means 'both' as in 'both A and B'. Only både is used with och as in både och."