Alright, let's work through 8460 times 1720 step by step
8460 × 1720 = 1720 × (8460)
+ 1720 × 0 that equals 0
+ 1720 × 60 what gives us 103200
+ 1720 × 400 producing 688000
+ 1720 × 8000 that results in 13760000

= 14551200
