Alright, let's work through 7599 times 9158 step by step
7599 × 9158 = 9158 × (7599)
+ 9158 × 9 yielding 82422
+ 9158 × 90 yielding 824220
+ 9158 × 500 what gives us 4579000
+ 9158 × 7000 yielding 64106000

= 69591642
