A project has been organized in 11 cities to increase the number of schools in cities. Each of these 11 cities has 12 districts included in the project. In each district, 13 schools with 2 floors, each floor having 7 classrooms, have been built.
Accordingly, what is the total number of classrooms built under this project?
A) $\frac{13!}{10!}$
B) $\frac{14!}{9!}$
C) $\frac{14!}{10!}$
D) $\frac{15!}{9!}$
E) $\frac{15!}{10!}$