Alright, let's work through 2664 times 6140 step by step
2664 × 6140 = 6140 × (2664)
+ 6140 × 4 that is equal 24560
+ 6140 × 60 resulting in 368400
+ 6140 × 600 producing 3684000
+ 6140 × 2000 that equals 12280000

= 16356960
