Alright, let's work through 8660 times 1218 step by step
8660 × 1218 = 1218 × (8660)
+ 1218 × 0 which equals 0
+ 1218 × 60 what gives us 73080
+ 1218 × 600 producing 730800
+ 1218 × 8000 that equals 9744000

= 10547880
