Alright, let's work through 21044483 times 23212427 step by step
21044483 × 23212427 = 23212427 × (21044483)
+ 23212427 × 3 resulting in 69637281
+ 23212427 × 80 that equals 1856994160
+ 23212427 × 400 that results in 9284970800
+ 23212427 × 4000 producing 92849708000
+ 23212427 × 40000 which equals 928497080000
+ 23212427 × 000000 giving us 0
+ 23212427 × 1000000 yielding 23212427000000
+ 23212427 × 20000000 that is equal 464248540000000

= 488493525390241
