We're going to solve 6491 multiplied by 2563
6491 × 2563 = 2563 × (6491)
+ 2563 × 1 producing 2563
+ 2563 × 90 producing 230670
+ 2563 × 400 resulting in 1025200
+ 2563 × 6000 that results in 15378000

= 16636433
