Alright, let's work through 7323 times 1638 step by step
7323 × 1638 = 1638 × (7323)
+ 1638 × 3 producing 4914
+ 1638 × 20 that is equal 32760
+ 1638 × 300 producing 491400
+ 1638 × 7000 giving us 11466000

= 11995074
