No problem, we've got 9120 and 4569 to multiply
9120 × 4569 = 4569 × (9120)
+ 4569 × 0 giving us 0
+ 4569 × 20 that is equal 91380
+ 4569 × 100 yielding 456900
+ 4569 × 9000 resulting in 41121000

= 41669280
