Alright, let's work through 3840 times 5197 step by step
3840 × 5197 = 5197 × (3840)
+ 5197 × 0 which equals 0
+ 5197 × 40 that equals 207880
+ 5197 × 800 what gives us 4157600
+ 5197 × 3000 resulting in 15591000

= 19956480
