Alright, let's work through 3927 times 1837 step by step
3927 × 1837 = 1837 × (3927)
+ 1837 × 7 resulting in 12859
+ 1837 × 20 yielding 36740
+ 1837 × 900 that results in 1653300
+ 1837 × 3000 giving us 5511000

= 7213899
