Alright, let's work through 7909 times 2451 step by step
7909 × 2451 = 2451 × (7909)
+ 2451 × 9 what gives us 22059
+ 2451 × 00 which equals 0
+ 2451 × 900 that equals 2205900
+ 2451 × 7000 producing 17157000

= 19384959
