Alright, let's work through 8387 times 4763 step by step
8387 × 4763 = 4763 × (8387)
+ 4763 × 7 what gives us 33341
+ 4763 × 80 what gives us 381040
+ 4763 × 300 giving us 1428900
+ 4763 × 8000 giving us 38104000

= 39947281
