Alright, let's work through 6136 times 3438 step by step
6136 × 3438 = 3438 × (6136)
+ 3438 × 6 producing 20628
+ 3438 × 30 yielding 103140
+ 3438 × 100 what gives us 343800
+ 3438 × 6000 giving us 20628000

= 21095568
