No problem, we've got 4656 and 6315 to multiply
4656 × 6315 = 6315 × (4656)
+ 6315 × 6 what gives us 37890
+ 6315 × 50 that results in 315750
+ 6315 × 600 producing 3789000
+ 6315 × 4000 what gives us 25260000

= 29402640
