Alright, let's work through 5989 times 3139 step by step
5989 × 3139 = 3139 × (5989)
+ 3139 × 9 what gives us 28251
+ 3139 × 80 which equals 251120
+ 3139 × 900 that results in 2825100
+ 3139 × 5000 that equals 15695000

= 18799471
