Let's calculate 4521 x 8912
4521 × 8912 = 8912 × (4521)
+ 8912 × 1 what gives us 8912
+ 8912 × 20 that is equal 178240
+ 8912 × 500 producing 4456000
+ 8912 × 4000 that results in 35648000

= 40291152
