Let's calculate 7623 x 5638
7623 × 5638 = 5638 × (7623)
+ 5638 × 3 yielding 16914
+ 5638 × 20 resulting in 112760
+ 5638 × 600 that results in 3382800
+ 5638 × 7000 that is equal 39466000

= 42978474
