Alright, let's work through 7940 times 7973 step by step
7940 × 7973 = 7973 × (7940)
+ 7973 × 0 that equals 0
+ 7973 × 40 that is equal 318920
+ 7973 × 900 that results in 7175700
+ 7973 × 7000 that results in 55811000

= 63305620
