Alright, let's work through 1680 times 3452 step by step
1680 × 3452 = 3452 × (1680)
+ 3452 × 0 that equals 0
+ 3452 × 80 which equals 276160
+ 3452 × 600 producing 2071200
+ 3452 × 1000 which equals 3452000

= 5799360
