The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

Fourteen restaurants. Who supplies
them? What's the base of operations?
Breaking Bad Season 4, Episode 9

Fourteen messages...
Breaking Bad Season 2, Episode 11

Fourteen dollars, huh?
The Big Bang Theory Season 2, Episode 14

Fourteen! Yes!
The Big Bang Theory Season 6, Episode 23

- I'm sorry. Sixteen?
- Fourteen.
The Big Bang Theory Season 4, Episode 1