Alright, let's work through 7778 times 8992 step by step
7778 × 8992 = 8992 × (7778)
+ 8992 × 8 that equals 71936
+ 8992 × 70 yielding 629440
+ 8992 × 700 yielding 6294400
+ 8992 × 7000 that is equal 62944000

= 69939776
