Alright, let's work through 7831 times 5192 step by step
7831 × 5192 = 5192 × (7831)
+ 5192 × 1 that is equal 5192
+ 5192 × 30 giving us 155760
+ 5192 × 800 producing 4153600
+ 5192 × 7000 producing 36344000

= 40658552
