Alright, let's work through 9139 times 7404 step by step
9139 × 7404 = 7404 × (9139)
+ 7404 × 9 resulting in 66636
+ 7404 × 30 that results in 222120
+ 7404 × 100 resulting in 740400
+ 7404 × 9000 giving us 66636000

= 67665156
