Die Hard trailer equations (or, explosive maths)

The trailer for A Good Day to Die Hard, the fifth film in the Die Hard, er, trilogy, has just been released. Here's all you need to know about it in numbers:

Yippy kai-yays: One

Explosions: Eight

Words spoken by Bruce Willis/John McClane: 20

Men jumping through panes of glass: Four (two pairs of two)

Shots which establish we're in Moscow: Five, including one of Bruce reading The Idiot's Guide to Moscow

Times that Bruce asks if someone "needs a hug?": One

Guns: 25 (mainly being fired by Bruce Willis)

Watch: bit.ly/gooddaytodiehard