Alright, let's work through 1647 times 6504 step by step
1647 × 6504 = 6504 × (1647)
+ 6504 × 7 which equals 45528
+ 6504 × 40 that results in 260160
+ 6504 × 600 that results in 3902400
+ 6504 × 1000 which equals 6504000

= 10712088
