If the "times 7" is within the brackets, here's the answer.
22 - 3 = 19
19 x 7 = 133
133 x 3 = 399
Answer: 399
If the "times 7" is outside the brackets, here's the answer.
22 - 3 = 19
19 x 3 = 57
57 x 7 = 399
Answer: 399
The answers are the same, but this is to provide working for whichever version of the question you are trying to answer.