Alright, let's work through 3681 times 6434 step by step
3681 × 6434 = 6434 × (3681)
+ 6434 × 1 which equals 6434
+ 6434 × 80 resulting in 514720
+ 6434 × 600 giving us 3860400
+ 6434 × 3000 that is equal 19302000

= 23683554
