No problem, we've got 3804 and 1106 to multiply
3804 × 1106 = 1106 × (3804)
+ 1106 × 4 what gives us 4424
+ 1106 × 00 which equals 0
+ 1106 × 800 producing 884800
+ 1106 × 3000 which equals 3318000

= 4207224
