Crossword Genius

Something to goggle at (3,3)

Ross

I believe the answer is:

the box

I'm a little stuck... Click here to teach me more about this clue!

'at' is the definition.
The answer and definition can be both quantities as well as being singular nouns.
Perhaps there's an association between them I don't understand?

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Another definition for the box that I've seen is " TV (sl.)".)

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