Alright, let's work through 9915 times 7710 step by step
9915 × 7710 = 7710 × (9915)
+ 7710 × 5 that equals 38550
+ 7710 × 10 giving us 77100
+ 7710 × 900 that results in 6939000
+ 7710 × 9000 that equals 69390000

= 76444650
