Alright, let's work through 9777 times 5187 step by step
9777 × 5187 = 5187 × (9777)
+ 5187 × 7 giving us 36309
+ 5187 × 70 resulting in 363090
+ 5187 × 700 which equals 3630900
+ 5187 × 9000 which equals 46683000

= 50713299
