Alright, let's work through 9787 times 7172 step by step
9787 × 7172 = 7172 × (9787)
+ 7172 × 7 that results in 50204
+ 7172 × 80 which equals 573760
+ 7172 × 700 yielding 5020400
+ 7172 × 9000 which equals 64548000

= 70192364
