Alright, let's work through 3936 times 5050 step by step
3936 × 5050 = 5050 × (3936)
+ 5050 × 6 yielding 30300
+ 5050 × 30 what gives us 151500
+ 5050 × 900 resulting in 4545000
+ 5050 × 3000 resulting in 15150000

= 19876800
