Alright, let's work through 7921 times 2900 step by step
7921 × 2900 = 2900 × (7921)
+ 2900 × 1 resulting in 2900
+ 2900 × 20 resulting in 58000
+ 2900 × 900 which equals 2610000
+ 2900 × 7000 that results in 20300000

= 22970900
