Alright, let's work through 9821 times 7121 step by step
9821 × 7121 = 7121 × (9821)
+ 7121 × 1 which equals 7121
+ 7121 × 20 producing 142420
+ 7121 × 800 producing 5696800
+ 7121 × 9000 resulting in 64089000

= 69935341
