* a label for the whole app chosen info

main.py

 from kivy.app import App
 from kivy.modules import inspector  # For inspection.
 from kivy.core.window import Window  # For inspection.
-from kivy.properties import NumericProperty
+from kivy.properties import NumericProperty,BooleanProperty
 from kivy.uix.textinput import TextInput
 class OrderApp(App):
     no_of_meals = NumericProperty(0)
     total=NumericProperty(0)
     amount=NumericProperty(0)
+    vegan=BooleanProperty(False)
     def build(self):
         inspector.create_inspector(Window, self)  # For inspection (press control-e to toggle).
 
@@ -15,7 +16,8 @@ class OrderApp(App):
             self.no_of_meals = int(self.root.ids.number_of_meals.text)
         except ValueError:
             self.no_of_meals = 0
-
+    def type_of_food(self, is_vegan):
+        self.vegan = is_vegan
 
     def amount_changed(self):
         self.total=round(self.root.ids.food.value * 100)

order.kv

@@ -27,10 +27,12 @@ BoxLayout:
     ToggleButton:
         text: 'vegan'
         group: 'food_type'
+        on_press:app.type_of_food(True)
     ToggleButton:
         text: 'meat eater'
         group: 'food_type'
         state: 'down'
+        on_press:app.type_of_food(False)
 
     Image:
         source: 'index.jpeg'
@@ -38,7 +40,6 @@ BoxLayout:
     BoxLayout:
         orientation: 'horizontal'
         Label:
-            #on_textinput: app.Amount_of_food()
             text: f'How many meals?  '
 
         TextInput:
@@ -48,5 +49,5 @@ BoxLayout:
             text:'ok'
             on_press:app.Amount_of_food()
     Label:
-            text: f'Your number of meals= {app.no_of_meals:}'
-            font_size: sp(12)
+        text: f'Your total is $ {app.total /100:.2f}\n number of meals= {app.no_of_meals:}\n vegan:{app.vegan}'
+        font_size: sp(15)