Alright, let's work through 54758120 times 74803961 step by step
54758120 × 74803961 = 74803961 × (54758120)
+ 74803961 × 0 producing 0
+ 74803961 × 20 yielding 1496079220
+ 74803961 × 100 which equals 7480396100
+ 74803961 × 8000 what gives us 598431688000
+ 74803961 × 50000 which equals 3740198050000
+ 74803961 × 700000 yielding 52362772700000
+ 74803961 × 4000000 giving us 299215844000000
+ 74803961 × 50000000 that results in 3740198050000000

= 4096124272913320
