We're going to solve 3684 multiplied by 4230
3684 × 4230 = 4230 × (3684)
+ 4230 × 4 resulting in 16920
+ 4230 × 80 giving us 338400
+ 4230 × 600 which equals 2538000
+ 4230 × 3000 yielding 12690000

= 15583320
