No problem, we've got 4286 and 4309 to multiply
4286 × 4309 = 4309 × (4286)
+ 4309 × 6 yielding 25854
+ 4309 × 80 what gives us 344720
+ 4309 × 200 which equals 861800
+ 4309 × 4000 that results in 17236000

= 18468374
