Alright, let's work through 7838 times 3956 step by step
7838 × 3956 = 3956 × (7838)
+ 3956 × 8 yielding 31648
+ 3956 × 30 yielding 118680
+ 3956 × 800 which equals 3164800
+ 3956 × 7000 that is equal 27692000

= 31007128
