Alright, let's work through 3597 times 7981 step by step
3597 × 7981 = 7981 × (3597)
+ 7981 × 7 yielding 55867
+ 7981 × 90 yielding 718290
+ 7981 × 500 resulting in 3990500
+ 7981 × 3000 that is equal 23943000

= 28707657
