Alright, let's work through 8523 times 4712 step by step
8523 × 4712 = 4712 × (8523)
+ 4712 × 3 what gives us 14136
+ 4712 × 20 that equals 94240
+ 4712 × 500 which equals 2356000
+ 4712 × 8000 giving us 37696000

= 40160376
