Alright, let's work through 8779 times 7739 step by step
8779 × 7739 = 7739 × (8779)
+ 7739 × 9 what gives us 69651
+ 7739 × 70 giving us 541730
+ 7739 × 700 resulting in 5417300
+ 7739 × 8000 what gives us 61912000

= 67940681
