"How many towels do you have?"
Translation:Kiom da bantukoj vi havas?
Tuko may be not a towel at all. In fact, you have to add every possible translation to the database. The sentences are without any context. It is difficult to tell what is still correct. In a certain contect you may say “tuko”. Without context is seems little. It is still beta. If you feel that it should be okay report it, please.