No problem, we've got 4545 and 4136 to multiply
4545 × 4136 = 4136 × (4545)
+ 4136 × 5 that results in 20680
+ 4136 × 40 that is equal 165440
+ 4136 × 500 resulting in 2068000
+ 4136 × 4000 that results in 16544000

= 18798120
