No problem, we've got 3524 and 6412 to multiply
3524 × 6412 = 6412 × (3524)
+ 6412 × 4 that equals 25648
+ 6412 × 20 what gives us 128240
+ 6412 × 500 that equals 3206000
+ 6412 × 3000 yielding 19236000

= 22595888
