No problem, we've got 2105 and 3167 to multiply
2105 × 3167 = 3167 × (2105)
+ 3167 × 5 yielding 15835
+ 3167 × 00 what gives us 0
+ 3167 × 100 that is equal 316700
+ 3167 × 2000 producing 6334000

= 6666535
