The answer is 242. Simply add the numbers together arithmetically as you would for the problem two plus two. To check your work, a calculator is the best option.
199 + 199 + 199 + 199 + 99 + 99 + 99 = 1192
765
1369
That equals 199
89 plus 43 plus 37 equals 169.
The discriminant is -199.
19 + 43 + 13 = 75
43
25
16 plus 27 equals 43.
43
-43 + 21 = -22