Alright, let's work through 6488 times 1998 step by step
6488 × 1998 = 1998 × (6488)
+ 1998 × 8 producing 15984
+ 1998 × 80 which equals 159840
+ 1998 × 400 that results in 799200
+ 1998 × 6000 giving us 11988000

= 12963024
