Alright, let's work through 8278 times 5102 step by step
8278 × 5102 = 5102 × (8278)
+ 5102 × 8 which equals 40816
+ 5102 × 70 resulting in 357140
+ 5102 × 200 which equals 1020400
+ 5102 × 8000 that equals 40816000

= 42234356
