The expression is 
(Substitute 4 for h)
To simplify the expression following order of operations to performed:
\1. Evaluate the expressions inside grouping symbols.
\2. Evaluate powers.
\3. Multiply and/or Divide in order from left to right.
\4. Add and/or Subtract in order from left to right.
\ \ \
In the given expression there are no grouping symbols and powers
\Next operation is multiplication.
\
(Multiply:
)
Next operation is division.
\
(Divide:
)
Next operation is addition.
\
(Add:
)
The value of the expression is 16.
\