No problem, we've got 4909 and 4145 to multiply
4909 × 4145 = 4145 × (4909)
+ 4145 × 9 yielding 37305
+ 4145 × 00 that results in 0
+ 4145 × 900 resulting in 3730500
+ 4145 × 4000 that is equal 16580000

= 20347805
