Alright, let's work through 6821 times 9164 step by step
6821 × 9164 = 9164 × (6821)
+ 9164 × 1 that is equal 9164
+ 9164 × 20 giving us 183280
+ 9164 × 800 that equals 7331200
+ 9164 × 6000 that is equal 54984000

= 62507644
