Alright, let's work through 9912 times 7868 step by step
9912 × 7868 = 7868 × (9912)
+ 7868 × 2 resulting in 15736
+ 7868 × 10 that is equal 78680
+ 7868 × 900 that equals 7081200
+ 7868 × 9000 that results in 70812000

= 77987616
