Alright, let's work through 3727 times 7639 step by step
3727 × 7639 = 7639 × (3727)
+ 7639 × 7 which equals 53473
+ 7639 × 20 producing 152780
+ 7639 × 700 producing 5347300
+ 7639 × 3000 producing 22917000

= 28470553
