Alright, let's work through 8280 times 5781 step by step
8280 × 5781 = 5781 × (8280)
+ 5781 × 0 resulting in 0
+ 5781 × 80 what gives us 462480
+ 5781 × 200 which equals 1156200
+ 5781 × 8000 which equals 46248000

= 47866680
