Alright, let's work through 3446 times 3483 step by step
3446 × 3483 = 3483 × (3446)
+ 3483 × 6 what gives us 20898
+ 3483 × 40 that results in 139320
+ 3483 × 400 giving us 1393200
+ 3483 × 3000 what gives us 10449000

= 12002418
