Alright, let's work through 5041994 times 55145395 step by step
5041994 × 55145395 = 55145395 × (5041994)
+ 55145395 × 4 yielding 220581580
+ 55145395 × 90 producing 4963085550
+ 55145395 × 900 that is equal 49630855500
+ 55145395 × 1000 that is equal 55145395000
+ 55145395 × 40000 giving us 2205815800000
+ 55145395 × 000000 what gives us 0
+ 55145395 × 5000000 resulting in 275726975000000

= 278042750717630
