Alright, let's work through 3635 times 6042 step by step
3635 × 6042 = 6042 × (3635)
+ 6042 × 5 which equals 30210
+ 6042 × 30 which equals 181260
+ 6042 × 600 yielding 3625200
+ 6042 × 3000 that equals 18126000

= 21962670
