No problem, we've got 4745 and 2904 to multiply
4745 × 2904 = 2904 × (4745)
+ 2904 × 5 which equals 14520
+ 2904 × 40 that results in 116160
+ 2904 × 700 giving us 2032800
+ 2904 × 4000 yielding 11616000

= 13779480
