Alright, let's work through 7811 times 5206 step by step
7811 × 5206 = 5206 × (7811)
+ 5206 × 1 that is equal 5206
+ 5206 × 10 that is equal 52060
+ 5206 × 800 giving us 4164800
+ 5206 × 7000 yielding 36442000

= 40664066
