Alright, let's work through 54226854 times 81382432 step by step
54226854 × 81382432 = 81382432 × (54226854)
+ 81382432 × 4 that is equal 325529728
+ 81382432 × 50 which equals 4069121600
+ 81382432 × 800 that results in 65105945600
+ 81382432 × 6000 that equals 488294592000
+ 81382432 × 20000 resulting in 1627648640000
+ 81382432 × 200000 giving us 16276486400000
+ 81382432 × 4000000 giving us 325529728000000
+ 81382432 × 50000000 producing 4069121600000000

= 4413113258228928
