Alright, let's work through 4978 times 3387 step by step
4978 × 3387 = 3387 × (4978)
+ 3387 × 8 yielding 27096
+ 3387 × 70 that equals 237090
+ 3387 × 900 what gives us 3048300
+ 3387 × 4000 that results in 13548000

= 16860486
