Alright, let's work through 48809343 times 52921991 step by step
48809343 × 52921991 = 52921991 × (48809343)
+ 52921991 × 3 producing 158765973
+ 52921991 × 40 that is equal 2116879640
+ 52921991 × 300 which equals 15876597300
+ 52921991 × 9000 yielding 476297919000
+ 52921991 × 00000 that equals 0
+ 52921991 × 800000 giving us 42337592800000
+ 52921991 × 8000000 yielding 423375928000000
+ 52921991 × 40000000 which equals 2116879640000000

= 2583087610961913
