Alright, let's work through 7862 times 7861 step by step
7862 × 7861 = 7861 × (7862)
+ 7861 × 2 what gives us 15722
+ 7861 × 60 that equals 471660
+ 7861 × 800 that results in 6288800
+ 7861 × 7000 giving us 55027000

= 61803182
