Alright, let's work through 5409 times 2340 step by step
5409 × 2340 = 2340 × (5409)
+ 2340 × 9 that is equal 21060
+ 2340 × 00 what gives us 0
+ 2340 × 400 producing 936000
+ 2340 × 5000 producing 11700000

= 12657060
