Let's calculate 8263 x 7900
8263 × 7900 = 7900 × (8263)
+ 7900 × 3 resulting in 23700
+ 7900 × 60 that is equal 474000
+ 7900 × 200 that equals 1580000
+ 7900 × 8000 resulting in 63200000

= 65277700
