Alright, let's work through 5791 times 1236 step by step
5791 × 1236 = 1236 × (5791)
+ 1236 × 1 which equals 1236
+ 1236 × 90 yielding 111240
+ 1236 × 700 what gives us 865200
+ 1236 × 5000 producing 6180000

= 7157676
