Alright, let's work through 7121 times 9320 step by step
7121 × 9320 = 9320 × (7121)
+ 9320 × 1 that is equal 9320
+ 9320 × 20 that equals 186400
+ 9320 × 100 that is equal 932000
+ 9320 × 7000 resulting in 65240000

= 66367720
