Let's calculate 4472 x 4544
4472 × 4544 = 4544 × (4472)
+ 4544 × 2 that results in 9088
+ 4544 × 70 that is equal 318080
+ 4544 × 400 which equals 1817600
+ 4544 × 4000 giving us 18176000

= 20320768
