Alright, let's work through 7977 times 6857 step by step
7977 × 6857 = 6857 × (7977)
+ 6857 × 7 what gives us 47999
+ 6857 × 70 that results in 479990
+ 6857 × 900 resulting in 6171300
+ 6857 × 7000 giving us 47999000

= 54698289
