Jamilla is doing a walk to raise money for charity. The map shows that she starts her walk at (7, 9) and walks until she reaches (2, 9). She turns left and walks until she reaches (2, 2). Then she cuts diagonally across and ends up back where she started at (7, 9). Label the length of each part of Jamilla's walk with the correct number. Then calculate the total number of miles she walked.