The expression is
(Replace m with 8 and y with 6 in original expression)
Simplify the expression using order of operations (PEMDAS).
\Since there are no grouping symbols and powers, product and quotients,
\First operation is inside the parenthesis.
\ (Multiply:
)
(Subtract:
)
Next operation is addition.
\ (Add:
)
The value of the expression is 52.