Simplify the Numerical Expression Below $\frac { 6 ( 7 ) ^ { 2 } } { 42 } - \frac { 8 ( 4 ) ^ { 5 } } { 128 }$

Short Answer

Simplify the numerical expression below. $\frac { 6 ( 7 ) ^ { 2 } } { 42 } - \frac { 8 ( 4 ) ^ { 5 } } { 128 }$