No problem, we've got 4887 and 2904 to multiply
4887 × 2904 = 2904 × (4887)
+ 2904 × 7 which equals 20328
+ 2904 × 80 what gives us 232320
+ 2904 × 800 giving us 2323200
+ 2904 × 4000 which equals 11616000

= 14191848
