Evaluate the Expression for the Given Values of the Variables $a ^ { 2 } + 2 a b + b ^ { 2 }$

Evaluate the expression for the given values of the variables. $a ^ { 2 } + 2 a b + b ^ { 2 }$ for $a = 8$ and $b = 7$

A) 113
B) 64
C) 177
D) 49
E) 225