How many calories are in a Sonic Strawberry Smoothie?

In either the small or large size.
How many calories are in a Sonic Strawberry Smoothie?
According to the nutrition guide on Sonic's website it contains 450 calories. Check the site below for more info.
Reply:alot...
Reply:too many
Reply:I think about 300 or so
Reply:Check the source below.
Reply:Oooo...I don't even want to know because I love them. The strawberry banana is better :)
Reply:alot and i dont whant to know how many there is
Reply:you should go to sonic.com and ask them they should know. well at least i think they should/