Alright, let's work through 7992 times 8736 step by step
7992 × 8736 = 8736 × (7992)
+ 8736 × 2 resulting in 17472
+ 8736 × 90 what gives us 786240
+ 8736 × 900 resulting in 7862400
+ 8736 × 7000 which equals 61152000

= 69818112
