Alright, let's work through 5132 times 3899 step by step
5132 × 3899 = 3899 × (5132)
+ 3899 × 2 giving us 7798
+ 3899 × 30 which equals 116970
+ 3899 × 100 that equals 389900
+ 3899 × 5000 what gives us 19495000

= 20009668
