Let's calculate 8644 x 8973
8644 × 8973 = 8973 × (8644)
+ 8973 × 4 which equals 35892
+ 8973 × 40 that results in 358920
+ 8973 × 600 resulting in 5383800
+ 8973 × 8000 resulting in 71784000

= 77562612
