Alright, let's work through 3139 times 4863 step by step
3139 × 4863 = 4863 × (3139)
+ 4863 × 9 that equals 43767
+ 4863 × 30 giving us 145890
+ 4863 × 100 that results in 486300
+ 4863 × 3000 what gives us 14589000

= 15264957
