Alright, let's work through 2486 times 2638 step by step
2486 × 2638 = 2638 × (2486)
+ 2638 × 6 producing 15828
+ 2638 × 80 that results in 211040
+ 2638 × 400 yielding 1055200
+ 2638 × 2000 that is equal 5276000

= 6558068
