We're going to solve 4380 multiplied by 5409
4380 × 5409 = 5409 × (4380)
+ 5409 × 0 giving us 0
+ 5409 × 80 producing 432720
+ 5409 × 300 that equals 1622700
+ 5409 × 4000 yielding 21636000

= 23691420
