Alright, let's work through 54205842 times 31252477 step by step
54205842 × 31252477 = 31252477 × (54205842)
+ 31252477 × 2 that equals 62504954
+ 31252477 × 40 resulting in 1250099080
+ 31252477 × 800 that results in 25001981600
+ 31252477 × 5000 that equals 156262385000
+ 31252477 × 00000 what gives us 0
+ 31252477 × 200000 that results in 6250495400000
+ 31252477 × 4000000 what gives us 125009908000000
+ 31252477 × 50000000 yielding 1562623850000000

= 1694066830370634
