Alright, let's work through 7734 times 9878 step by step
7734 × 9878 = 9878 × (7734)
+ 9878 × 4 yielding 39512
+ 9878 × 30 that equals 296340
+ 9878 × 700 which equals 6914600
+ 9878 × 7000 that equals 69146000

= 76396452
