Alright, let's work through 7991 times 7271 step by step
7991 × 7271 = 7271 × (7991)
+ 7271 × 1 giving us 7271
+ 7271 × 90 what gives us 654390
+ 7271 × 900 what gives us 6543900
+ 7271 × 7000 that results in 50897000

= 58102561
