Alright, let's work through 4859 times 6400 step by step
4859 × 6400 = 6400 × (4859)
+ 6400 × 9 what gives us 57600
+ 6400 × 50 that results in 320000
+ 6400 × 800 what gives us 5120000
+ 6400 × 4000 that is equal 25600000

= 31097600
