Alright, let's work through 15975438 times 54522918 step by step
15975438 × 54522918 = 54522918 × (15975438)
+ 54522918 × 8 that results in 436183344
+ 54522918 × 30 resulting in 1635687540
+ 54522918 × 400 that is equal 21809167200
+ 54522918 × 5000 which equals 272614590000
+ 54522918 × 70000 giving us 3816604260000
+ 54522918 × 900000 resulting in 49070626200000
+ 54522918 × 5000000 resulting in 272614590000000
+ 54522918 × 10000000 that is equal 545229180000000

= 871027496088084
