Three identical squares form rectangle W X Y Z, as shown. The perimeter of W X Y Z is 56 \mathrm{~m}. The area of W X Y Z is
Answer Choices
A. 66 \mathrm{~m}^{2}
B. 147 \mathrm{~m}^{2}
C. 168 \mathrm{~m}^{2}
D. 196 \mathrm{~m}^{2}
E. 348 \mathrm{~m}^{2}