Alright, let's work through 54498954 times 15048343 step by step
54498954 × 15048343 = 15048343 × (54498954)
+ 15048343 × 4 yielding 60193372
+ 15048343 × 50 that equals 752417150
+ 15048343 × 900 resulting in 13543508700
+ 15048343 × 8000 that equals 120386744000
+ 15048343 × 90000 that equals 1354350870000
+ 15048343 × 400000 that is equal 6019337200000
+ 15048343 × 4000000 which equals 60193372000000
+ 15048343 × 50000000 what gives us 752417150000000

= 820118952933222
