Alright, let's work through 1684 times 7539 step by step
1684 × 7539 = 7539 × (1684)
+ 7539 × 4 resulting in 30156
+ 7539 × 80 resulting in 603120
+ 7539 × 600 which equals 4523400
+ 7539 × 1000 producing 7539000

= 12695676
