Let's calculate 4887 x 4230
4887 × 4230 = 4230 × (4887)
+ 4230 × 7 what gives us 29610
+ 4230 × 80 resulting in 338400
+ 4230 × 800 that results in 3384000
+ 4230 × 4000 yielding 16920000

= 20672010
