Alright, let's work through 1653 times 7983 step by step
1653 × 7983 = 7983 × (1653)
+ 7983 × 3 which equals 23949
+ 7983 × 50 that is equal 399150
+ 7983 × 600 that is equal 4789800
+ 7983 × 1000 that is equal 7983000

= 13195899
