Alright, let's work through 8040992 times 900980 step by step
8040992 × 900980 = 900980 × (8040992)
+ 900980 × 2 that equals 1801960
+ 900980 × 90 yielding 81088200
+ 900980 × 900 resulting in 810882000
+ 900980 × 0000 which equals 0
+ 900980 × 40000 what gives us 36039200000
+ 900980 × 000000 which equals 0
+ 900980 × 8000000 that equals 7207840000000

= 7244772972160
