Alright, let's work through 54394273 times 15006627 step by step
54394273 × 15006627 = 15006627 × (54394273)
+ 15006627 × 3 that results in 45019881
+ 15006627 × 70 giving us 1050463890
+ 15006627 × 200 giving us 3001325400
+ 15006627 × 4000 that equals 60026508000
+ 15006627 × 90000 yielding 1350596430000
+ 15006627 × 300000 giving us 4501988100000
+ 15006627 × 4000000 yielding 60026508000000
+ 15006627 × 50000000 what gives us 750331350000000

= 816274565847171
