Alright, let's work through 5149 times 4269 step by step
5149 × 4269 = 4269 × (5149)
+ 4269 × 9 what gives us 38421
+ 4269 × 40 what gives us 170760
+ 4269 × 100 yielding 426900
+ 4269 × 5000 producing 21345000

= 21981081
