Alright, let's work through 5191 times 9405 step by step
5191 × 9405 = 9405 × (5191)
+ 9405 × 1 producing 9405
+ 9405 × 90 producing 846450
+ 9405 × 100 that equals 940500
+ 9405 × 5000 producing 47025000

= 48821355
