Alright, let's work through 5409 times 4371 step by step
5409 × 4371 = 4371 × (5409)
+ 4371 × 9 resulting in 39339
+ 4371 × 00 that is equal 0
+ 4371 × 400 giving us 1748400
+ 4371 × 5000 that equals 21855000

= 23642739
