Alright, let's work through 8230 times 8720 step by step
8230 × 8720 = 8720 × (8230)
+ 8720 × 0 producing 0
+ 8720 × 30 producing 261600
+ 8720 × 200 which equals 1744000
+ 8720 × 8000 that equals 69760000

= 71765600
