We're going to solve 3777 multiplied by 4491
3777 × 4491 = 4491 × (3777)
+ 4491 × 7 yielding 31437
+ 4491 × 70 producing 314370
+ 4491 × 700 that is equal 3143700
+ 4491 × 3000 producing 13473000

= 16962507
