34 + 98 + 98 + 87 + 32 = 349
98 plus 65 equals 163.
98 + 14 + 9 = 121
6 + 98 + 6548 = 6,652
96 + 93 + 98 = 287
99 + 98 + 97 = 294
98 + 75 + 475 + 765 = 1413
709
196
1 + 55 + 345 + 87 + 98 = 586
37 plus 98 equals 135.
It might be possible to work this in your head. Your 98 is 100 minus 2. This means 98 plus 98 is 100 plus 100 minus 2 minus 2. That's 200 minus 4 which gives 196 as the answer.