Alright, let's work through 8347 times 8874 step by step
8347 × 8874 = 8874 × (8347)
+ 8874 × 7 giving us 62118
+ 8874 × 40 resulting in 354960
+ 8874 × 300 which equals 2662200
+ 8874 × 8000 giving us 70992000

= 74071278
