Alright, let's work through 1643 times 8348 step by step
1643 × 8348 = 8348 × (1643)
+ 8348 × 3 resulting in 25044
+ 8348 × 40 that is equal 333920
+ 8348 × 600 what gives us 5008800
+ 8348 × 1000 that equals 8348000

= 13715764
