If you 'multiply' 5 by 2 you get 10. = If you 'multiply' 5 and 2 (together) you get 10. = 5 'multiplied' by 2 equals 10.
The teacher taught the children how to add, subtract, 'multiply', and divide.
The bacteria 'multiply' rapidly in warm, moist conditions.
(..) It's in here, Harry? Can you feel anything? That's it! Up there! They have added the Gemino curse. Everything you touch will multiply. Give me the sword. Stop moving! Do it! - We had deal, Griphook! - The cup for the sword! (..)2011 Harry Potter and the Deathly Hallows: Part 2