Alright, let's work through 3603 times 3714 step by step
3603 × 3714 = 3714 × (3603)
+ 3714 × 3 what gives us 11142
+ 3714 × 00 producing 0
+ 3714 × 600 that results in 2228400
+ 3714 × 3000 producing 11142000

= 13381542
