Alright, let's work through 7822 times 3209 step by step
7822 × 3209 = 3209 × (7822)
+ 3209 × 2 that is equal 6418
+ 3209 × 20 what gives us 64180
+ 3209 × 800 producing 2567200
+ 3209 × 7000 giving us 22463000

= 25100798
