Alright, let's work through 4019 times 9139 step by step
4019 × 9139 = 9139 × (4019)
+ 9139 × 9 yielding 82251
+ 9139 × 10 what gives us 91390
+ 9139 × 000 giving us 0
+ 9139 × 4000 giving us 36556000

= 36729641
