No problem, we've got 7882 and 7861 to multiply
7882 × 7861 = 7861 × (7882)
+ 7861 × 2 that results in 15722
+ 7861 × 80 which equals 628880
+ 7861 × 800 what gives us 6288800
+ 7861 × 7000 giving us 55027000

= 61960402
