Alright, let's work through 9251 times 7779 step by step
9251 × 7779 = 7779 × (9251)
+ 7779 × 1 what gives us 7779
+ 7779 × 50 yielding 388950
+ 7779 × 200 that results in 1555800
+ 7779 × 9000 that results in 70011000

= 71963529
