Need assistance withe the Instacart clone tutorial

Good morning Bubblers, I need some assistance with the Instacart clone tutorial.
I have been following the instructions as per thetorial but have run into some snags:
So far i have done up until the checkout page. The first problem i have is displaying the total price of the items collectively in the cart.
This is what i have done as per the tutorial:

Now with this done it displays as:


Any help appreciated