A children's maths question has left a lot of people scratching their heads.
While the question seems easy on the surface, some have claimed it left them confused as they couldn't figure out what the puzzle was actually asking them to do. This has led to a wide range of different answers.
The question began making the rounds on Twitter and has been posted by many different users, racking up millions of views. One user who shared the picture of the problem said it "hurt his head", the Mirror reports.