We're going to solve 4723 multiplied by 4015
4723 × 4015 = 4015 × (4723)
+ 4015 × 3 that is equal 12045
+ 4015 × 20 that equals 80300
+ 4015 × 700 what gives us 2810500
+ 4015 × 4000 yielding 16060000

= 18962845
