Update app.py

app.py

@@ -324,7 +324,7 @@ def update_quantity():
                 addons_price = 0  # Default to 0 if parsing fails
 
         # Calculate the new price
-        new_price = (base_price + addons_price) * quantity
+        new_price = (base_price) * quantity + addons_price
 
         # Update the record in Salesforce
         sf.Cart_Item__c.update(cart_item_id, {