A recipe for crumb cake says to mix 38 cup of brown sugar and 13 cup of white sugar.
From this sugar mixture, set aside 14 cup for the crumb topping.
The remaining sugar mixture is used to make the cake.
What amount of the sugar mixture is used to make the cake?

A. 1124 cup
B. 12 cup
C. 712 cup
D. 1724 cup