Alright, let's work through 51704999 times 57849789 step by step
51704999 × 57849789 = 57849789 × (51704999)
+ 57849789 × 9 that is equal 520648101
+ 57849789 × 90 giving us 5206481010
+ 57849789 × 900 yielding 52064810100
+ 57849789 × 4000 giving us 231399156000
+ 57849789 × 00000 resulting in 0
+ 57849789 × 700000 that results in 40494852300000
+ 57849789 × 1000000 which equals 57849789000000
+ 57849789 × 50000000 what gives us 2892489450000000

= 2991123282395211
