Alright, let's work through 4776 times 891 step by step
4776 × 891 = 891 × (4776)
+ 891 × 6 resulting in 5346
+ 891 × 70 that is equal 62370
+ 891 × 700 that equals 623700
+ 891 × 4000 that is equal 3564000

= 4255416
