Alright, let's work through 3967 times 2503 step by step
3967 × 2503 = 2503 × (3967)
+ 2503 × 7 which equals 17521
+ 2503 × 60 resulting in 150180
+ 2503 × 900 giving us 2252700
+ 2503 × 3000 what gives us 7509000

= 9929401
