Alright, let's work through 8647 times 7497 step by step
8647 × 7497 = 7497 × (8647)
+ 7497 × 7 resulting in 52479
+ 7497 × 40 what gives us 299880
+ 7497 × 600 that results in 4498200
+ 7497 × 8000 that results in 59976000

= 64826559
