Alright, let's work through 7491 times 5409 step by step
7491 × 5409 = 5409 × (7491)
+ 5409 × 1 producing 5409
+ 5409 × 90 what gives us 486810
+ 5409 × 400 that is equal 2163600
+ 5409 × 7000 which equals 37863000

= 40518819
