Alright, let's work through 5639 times 8857 step by step
5639 × 8857 = 8857 × (5639)
+ 8857 × 9 which equals 79713
+ 8857 × 30 what gives us 265710
+ 8857 × 600 what gives us 5314200
+ 8857 × 5000 which equals 44285000

= 49944623
