Let's calculate 7878 x 8208
7878 × 8208 = 8208 × (7878)
+ 8208 × 8 that is equal 65664
+ 8208 × 70 that is equal 574560
+ 8208 × 800 resulting in 6566400
+ 8208 × 7000 that results in 57456000

= 64662624
