Alright, let's work through 4878 times 6309 step by step
4878 × 6309 = 6309 × (4878)
+ 6309 × 8 that is equal 50472
+ 6309 × 70 yielding 441630
+ 6309 × 800 giving us 5047200
+ 6309 × 4000 giving us 25236000

= 30775302
