Alright, let's work through 1647 times 7454 step by step
1647 × 7454 = 7454 × (1647)
+ 7454 × 7 resulting in 52178
+ 7454 × 40 that equals 298160
+ 7454 × 600 which equals 4472400
+ 7454 × 1000 that is equal 7454000

= 12276738
