No problem, we've got 2004 and 3122 to multiply
2004 × 3122 = 3122 × (2004)
+ 3122 × 4 what gives us 12488
+ 3122 × 00 yielding 0
+ 3122 × 000 which equals 0
+ 3122 × 2000 resulting in 6244000

= 6256488
