Alright, let's work through 6778 times 4521 step by step
6778 × 4521 = 4521 × (6778)
+ 4521 × 8 giving us 36168
+ 4521 × 70 yielding 316470
+ 4521 × 700 that is equal 3164700
+ 4521 × 6000 that is equal 27126000

= 30643338
