Alright, let's work through 7805 times 8544 step by step
7805 × 8544 = 8544 × (7805)
+ 8544 × 5 which equals 42720
+ 8544 × 00 producing 0
+ 8544 × 800 what gives us 6835200
+ 8544 × 7000 which equals 59808000

= 66685920
