Alright, let's work through 4309 times 388 step by step
4309 × 388 = 388 × (4309)
+ 388 × 9 giving us 3492
+ 388 × 00 yielding 0
+ 388 × 300 which equals 116400
+ 388 × 4000 that is equal 1552000

= 1671892
