We're going to solve 4309 multiplied by 3854
4309 × 3854 = 3854 × (4309)
+ 3854 × 9 giving us 34686
+ 3854 × 00 yielding 0
+ 3854 × 300 yielding 1156200
+ 3854 × 4000 what gives us 15416000

= 16606886
