The ingredients required for the preparation of Phulka (Roti) is given below.
 
Ingredients
Quantity for \(3\) people
Quantity for 21 people
Whole wheat flour \(2\) cups  cups
Salt \(1\) teaspoon  teaspoon
Sunflower oil \(2\) teaspoon  teaspoon
Water \(200\) ml  ml
 
The given quantity of the ingredients is enough to prepare Phulka for \(3\) people.
 
Find the quantity of all the ingredients to prepare Phulka for 21 and  people.