Alright, let's work through 8259 times 8736 step by step
8259 × 8736 = 8736 × (8259)
+ 8736 × 9 that equals 78624
+ 8736 × 50 giving us 436800
+ 8736 × 200 that equals 1747200
+ 8736 × 8000 producing 69888000

= 72150624
