Alright, let's work through 5916 times 2123 step by step
5916 × 2123 = 2123 × (5916)
+ 2123 × 6 which equals 12738
+ 2123 × 10 resulting in 21230
+ 2123 × 900 what gives us 1910700
+ 2123 × 5000 resulting in 10615000

= 12559668
