Garage storage Question

[Willarded]

Ok I am having some difficulty in finding an answer to my question, so I thought I would turn it over to the forum EXPERTS .

On the closed length dimensions (22 ft, or 24, etc) does that already include the length of the tongue? Or is the tongue an extra 2 feet? So like a 3124 TM is actually 26 feet?

Or in other words, if my garage is 22’4” from back wall to garage door, would it fit a 3124 TM? Meaning that if I had a sway tongue that “removes 2ft from length”, it would make the 3124 TM storage length actually 22 feet?

I would really appreciate y’all’s help. Thank you!