Alright, let's work through 55200418 times 79245623 step by step
55200418 × 79245623 = 79245623 × (55200418)
+ 79245623 × 8 that equals 633964984
+ 79245623 × 10 producing 792456230
+ 79245623 × 400 what gives us 31698249200
+ 79245623 × 0000 producing 0
+ 79245623 × 00000 resulting in 0
+ 79245623 × 200000 yielding 15849124600000
+ 79245623 × 5000000 yielding 396228115000000
+ 79245623 × 50000000 which equals 3962281150000000

= 4374391514270414
