Let's put it into applied mathematics for the UCF grad.
According to:
McDonald's Menu Prices (Updated November 2023)
REALMENUPRICES.COM
McDonalds is arguably the biggest name in the global fast food industry and they serve an astonishing 68 million customers each day. This company has grown substantially...
The price of a large fries is $1.89. So for $30MM you could get 30,000,000 / 1.89 = 15873015.873.
On your cash register, you'd have to hit the button with the picture of the large fries over 15 million times. That's alot of fries!
So T-Mobile is paying USF enough money to buy 15,873,015 orders of large fries, and you'd still have some change left over.
The same basic mathematical principle would apply to say chocolate shakes or hot apple pies.