Alright, let's work through 7850 times 3279 step by step
7850 × 3279 = 3279 × (7850)
+ 3279 × 0 that equals 0
+ 3279 × 50 resulting in 163950
+ 3279 × 800 producing 2623200
+ 3279 × 7000 that is equal 22953000

= 25740150
