it's correct buddy
we need to follow the order :
parentheses, exponents, multiplication, division, addition, subtraction = pemdas
first, we are going inside of the parentheses :
8/2 * (2 + 2) = 8/2 * (4)
then we doing the division :
8/2 * (4) = 4 * 4
then it's done :
4 * 4 = 16