Alright, let's work through 6857 times 2979 step by step
6857 × 2979 = 2979 × (6857)
+ 2979 × 7 that results in 20853
+ 2979 × 50 that is equal 148950
+ 2979 × 800 that equals 2383200
+ 2979 × 6000 that results in 17874000

= 20427003
