No problem, we've got 3421 and 4871 to multiply
3421 × 4871 = 4871 × (3421)
+ 4871 × 1 yielding 4871
+ 4871 × 20 what gives us 97420
+ 4871 × 400 giving us 1948400
+ 4871 × 3000 giving us 14613000

= 16663691
