Alright, let's work through 9941 times 391 step by step
9941 × 391 = 391 × (9941)
+ 391 × 1 what gives us 391
+ 391 × 40 producing 15640
+ 391 × 900 what gives us 351900
+ 391 × 9000 that results in 3519000

= 3886931
