Let's calculate 1397 x 8515
1397 × 8515 = 8515 × (1397)
+ 8515 × 7 yielding 59605
+ 8515 × 90 that is equal 766350
+ 8515 × 300 that results in 2554500
+ 8515 × 1000 that is equal 8515000

= 11895455
