Alright, let's work through 8538 times 9604 step by step
8538 × 9604 = 9604 × (8538)
+ 9604 × 8 resulting in 76832
+ 9604 × 30 that equals 288120
+ 9604 × 500 giving us 4802000
+ 9604 × 8000 giving us 76832000

= 81998952
