Alright, let's work through 7989823 times 55455422 step by step
7989823 × 55455422 = 55455422 × (7989823)
+ 55455422 × 3 which equals 166366266
+ 55455422 × 20 that equals 1109108440
+ 55455422 × 800 yielding 44364337600
+ 55455422 × 9000 yielding 499098798000
+ 55455422 × 80000 that is equal 4436433760000
+ 55455422 × 900000 what gives us 49909879800000
+ 55455422 × 7000000 resulting in 388187954000000

= 443079006170306
