Alright, let's work through 7543 times 9815 step by step
7543 × 9815 = 9815 × (7543)
+ 9815 × 3 resulting in 29445
+ 9815 × 40 giving us 392600
+ 9815 × 500 giving us 4907500
+ 9815 × 7000 what gives us 68705000

= 74034545
