Alright, let's work through 5187 times 1920 step by step
5187 × 1920 = 1920 × (5187)
+ 1920 × 7 that is equal 13440
+ 1920 × 80 what gives us 153600
+ 1920 × 100 that results in 192000
+ 1920 × 5000 which equals 9600000

= 9959040
