Alright, let's work through 1659 times 3962 step by step
1659 × 3962 = 3962 × (1659)
+ 3962 × 9 giving us 35658
+ 3962 × 50 yielding 198100
+ 3962 × 600 producing 2377200
+ 3962 × 1000 resulting in 3962000

= 6572958
