Alright, let's work through 3683 times 7143 step by step
3683 × 7143 = 7143 × (3683)
+ 7143 × 3 that is equal 21429
+ 7143 × 80 giving us 571440
+ 7143 × 600 what gives us 4285800
+ 7143 × 3000 that results in 21429000

= 26307669
