Alright, let's work through 7986 times 5112 step by step
7986 × 5112 = 5112 × (7986)
+ 5112 × 6 resulting in 30672
+ 5112 × 80 that equals 408960
+ 5112 × 900 that results in 4600800
+ 5112 × 7000 which equals 35784000

= 40824432
