No problem, we've got 3221 and 6413 to multiply
3221 × 6413 = 6413 × (3221)
+ 6413 × 1 producing 6413
+ 6413 × 20 giving us 128260
+ 6413 × 200 yielding 1282600
+ 6413 × 3000 what gives us 19239000

= 20656273
