Alright, let's work through 4890 times 6373 step by step
4890 × 6373 = 6373 × (4890)
+ 6373 × 0 what gives us 0
+ 6373 × 90 giving us 573570
+ 6373 × 800 what gives us 5098400
+ 6373 × 4000 that is equal 25492000

= 31163970
