Alright, let's work through 3936 times 5098 step by step
3936 × 5098 = 5098 × (3936)
+ 5098 × 6 resulting in 30588
+ 5098 × 30 yielding 152940
+ 5098 × 900 giving us 4588200
+ 5098 × 3000 which equals 15294000

= 20065728
