Alright, let's work through 8078 times 9967 step by step
8078 × 9967 = 9967 × (8078)
+ 9967 × 8 that results in 79736
+ 9967 × 70 which equals 697690
+ 9967 × 000 which equals 0
+ 9967 × 8000 that equals 79736000

= 80513426
