Alright, let's work through 7994 times 7790 step by step
7994 × 7790 = 7790 × (7994)
+ 7790 × 4 what gives us 31160
+ 7790 × 90 that is equal 701100
+ 7790 × 900 producing 7011000
+ 7790 × 7000 that is equal 54530000

= 62273260
