Alright, let's work through 5100 times 1637 step by step
5100 × 1637 = 1637 × (5100)
+ 1637 × 0 resulting in 0
+ 1637 × 00 what gives us 0
+ 1637 × 100 resulting in 163700
+ 1637 × 5000 yielding 8185000

= 8348700
