Alright, let's work through 54678613 times 26953251 step by step
54678613 × 26953251 = 26953251 × (54678613)
+ 26953251 × 3 yielding 80859753
+ 26953251 × 10 producing 269532510
+ 26953251 × 600 yielding 16171950600
+ 26953251 × 8000 what gives us 215626008000
+ 26953251 × 70000 that results in 1886727570000
+ 26953251 × 600000 what gives us 16171950600000
+ 26953251 × 4000000 which equals 107813004000000
+ 26953251 × 50000000 that equals 1347662550000000

= 1473766380520863
