No problem, we've got 4340 and 4506 to multiply
4340 × 4506 = 4506 × (4340)
+ 4506 × 0 what gives us 0
+ 4506 × 40 which equals 180240
+ 4506 × 300 which equals 1351800
+ 4506 × 4000 yielding 18024000

= 19556040
