Alright, let's work through 6683 times 5604 step by step
6683 × 5604 = 5604 × (6683)
+ 5604 × 3 which equals 16812
+ 5604 × 80 that is equal 448320
+ 5604 × 600 that is equal 3362400
+ 5604 × 6000 resulting in 33624000

= 37451532
