What does "In think, in about forty-five minutes." mean in English for Spanish?

In English for Spanish, "In think, in about forty-five minutes." means:

Creo que en unos 45 minutos.

Listen to "In think, in about forty-five minutes.": (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 4, Level 1, Scene 1