Because the correct sum of 305 and 98 is 403.
235 horse is stock on 98 305
305 horsepower
It is 98*6 = 588
305
34 + 98 + 98 + 87 + 32 = 349
98 plus 65 equals 163.
6 + 98 + 6548 = 6,652
96 + 93 + 98 = 287
99 + 98 + 97 = 294
98 + 14 + 9 = 121
98 + 75 + 475 + 765 = 1413
709