Alright, let's work through 8214 times 820 step by step
8214 × 820 = 820 × (8214)
+ 820 × 4 that is equal 3280
+ 820 × 10 which equals 8200
+ 820 × 200 that is equal 164000
+ 820 × 8000 which equals 6560000

= 6735480
