What does "After three and a half hours the train arrives in New York." mean in English for Spanish?

In English for Spanish, "After three and a half hours the train arrives in New York." means:

Después de tres horas y media el tren llega a Nueva York.

Listen to "After three and a half hours the train arrives in New York.": (If you have an HTML5 enabled browser, you can listen to the native audio below)

This is a phrase that is used in the GamesForLanguage English for Spanish Language Game in the following scenes:

• English for Spanish 3, Level 3, Scene 12