Alright, let's work through 5286 times 9759 step by step
5286 × 9759 = 9759 × (5286)
+ 9759 × 6 giving us 58554
+ 9759 × 80 resulting in 780720
+ 9759 × 200 what gives us 1951800
+ 9759 × 5000 which equals 48795000

= 51586074
