Alright, let's work through 5100 times 439 step by step
5100 × 439 = 439 × (5100)
+ 439 × 0 resulting in 0
+ 439 × 00 giving us 0
+ 439 × 100 producing 43900
+ 439 × 5000 what gives us 2195000

= 2238900
