Alright, let's work through 3688 times 5345 step by step
3688 × 5345 = 5345 × (3688)
+ 5345 × 8 that results in 42760
+ 5345 × 80 what gives us 427600
+ 5345 × 600 producing 3207000
+ 5345 × 3000 giving us 16035000

= 19712360
