Alright, let's work through 7838 times 9228 step by step
7838 × 9228 = 9228 × (7838)
+ 9228 × 8 giving us 73824
+ 9228 × 30 producing 276840
+ 9228 × 800 producing 7382400
+ 9228 × 7000 producing 64596000

= 72329064
