Alright, let's work through 8506 times 8380 step by step
8506 × 8380 = 8380 × (8506)
+ 8380 × 6 which equals 50280
+ 8380 × 00 which equals 0
+ 8380 × 500 yielding 4190000
+ 8380 × 8000 what gives us 67040000

= 71280280
