Alright, let's work through 7540 times 9091 step by step
7540 × 9091 = 9091 × (7540)
+ 9091 × 0 yielding 0
+ 9091 × 40 that is equal 363640
+ 9091 × 500 what gives us 4545500
+ 9091 × 7000 producing 63637000

= 68546140
