Alright, let's work through 6439 times 3766 step by step
6439 × 3766 = 3766 × (6439)
+ 3766 × 9 yielding 33894
+ 3766 × 30 resulting in 112980
+ 3766 × 400 that results in 1506400
+ 3766 × 6000 that is equal 22596000

= 24249274
