Alright, let's work through 1642 times 4797 step by step
1642 × 4797 = 4797 × (1642)
+ 4797 × 2 which equals 9594
+ 4797 × 40 that results in 191880
+ 4797 × 600 resulting in 2878200
+ 4797 × 1000 resulting in 4797000

= 7876674
