No problem, we've got 1821 and 3343 to multiply
1821 × 3343 = 3343 × (1821)
+ 3343 × 1 which equals 3343
+ 3343 × 20 what gives us 66860
+ 3343 × 800 that equals 2674400
+ 3343 × 1000 yielding 3343000

= 6087603
