Alright, let's work through 6490 times 997 step by step
6490 × 997 = 997 × (6490)
+ 997 × 0 resulting in 0
+ 997 × 90 yielding 89730
+ 997 × 400 which equals 398800
+ 997 × 6000 that equals 5982000

= 6470530
