Alright, let's work through 5657 times 1636 step by step
5657 × 1636 = 1636 × (5657)
+ 1636 × 7 that is equal 11452
+ 1636 × 50 which equals 81800
+ 1636 × 600 what gives us 981600
+ 1636 × 5000 yielding 8180000

= 9254852
