Alright, let's work through 7571 times 7791 step by step
7571 × 7791 = 7791 × (7571)
+ 7791 × 1 resulting in 7791
+ 7791 × 70 giving us 545370
+ 7791 × 500 resulting in 3895500
+ 7791 × 7000 what gives us 54537000

= 58985661
