What does "a lot" mean in English for Spanish?

In English for Spanish, "a lot" means:

mucho, mucha

Listen to "a lot": (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 2, Scene 10
• English for Spanish 4, Level 1, Scene 6