Alright, let's work through 2105 times 4518 step by step
2105 × 4518 = 4518 × (2105)
+ 4518 × 5 which equals 22590
+ 4518 × 00 that is equal 0
+ 4518 × 100 what gives us 451800
+ 4518 × 2000 producing 9036000

= 9510390
