This recipe for Chocolate Chip Cookies yields 3 dozen.
You need to make 6 dozen. Write down the measurements
you would use to double this recipe.

2 1/4 cup flour 3/4 3/4 cup brown sugar
1 teaspoon baking soda 1teaspoon vanilla extract
2 eggs
1/4 teaspoon salt
1 cup margarine
2 cup chocolate chips
3/4 cup sugar