Let's calculate 7886 x 8870
7886 × 8870 = 8870 × (7886)
+ 8870 × 6 what gives us 53220
+ 8870 × 80 resulting in 709600
+ 8870 × 800 giving us 7096000
+ 8870 × 7000 that results in 62090000

= 69948820
