No problem, we've got 3964 and 4343 to multiply
3964 × 4343 = 4343 × (3964)
+ 4343 × 4 what gives us 17372
+ 4343 × 60 that is equal 260580
+ 4343 × 900 yielding 3908700
+ 4343 × 3000 that equals 13029000

= 17215652
