Alright, let's work through 3545 times 3634 step by step
3545 × 3634 = 3634 × (3545)
+ 3634 × 5 what gives us 18170
+ 3634 × 40 that results in 145360
+ 3634 × 500 what gives us 1817000
+ 3634 × 3000 that results in 10902000

= 12882530
