We're going to solve 3801 multiplied by 1001
3801 × 1001 = 1001 × (3801)
+ 1001 × 1 what gives us 1001
+ 1001 × 00 yielding 0
+ 1001 × 800 producing 800800
+ 1001 × 3000 that results in 3003000

= 3804801
