Alright, let's work through 6779 times 5831 step by step
6779 × 5831 = 5831 × (6779)
+ 5831 × 9 that is equal 52479
+ 5831 × 70 which equals 408170
+ 5831 × 700 giving us 4081700
+ 5831 × 6000 yielding 34986000

= 39528349
