Alright, let's work through 6140 times 1540 step by step
6140 × 1540 = 1540 × (6140)
+ 1540 × 0 producing 0
+ 1540 × 40 yielding 61600
+ 1540 × 100 which equals 154000
+ 1540 × 6000 resulting in 9240000

= 9455600
