Alright, let's work through 6739 times 4039 step by step
6739 × 4039 = 4039 × (6739)
+ 4039 × 9 yielding 36351
+ 4039 × 30 that is equal 121170
+ 4039 × 700 which equals 2827300
+ 4039 × 6000 that equals 24234000

= 27218821
