Alright, let's work through 3837 times 377 step by step
3837 × 377 = 377 × (3837)
+ 377 × 7 giving us 2639
+ 377 × 30 what gives us 11310
+ 377 × 800 yielding 301600
+ 377 × 3000 that is equal 1131000

= 1446549
