Alright, let's work through 2622 times 7961 step by step
2622 × 7961 = 7961 × (2622)
+ 7961 × 2 that equals 15922
+ 7961 × 20 what gives us 159220
+ 7961 × 600 that results in 4776600
+ 7961 × 2000 producing 15922000

= 20873742
