Let's calculate 1564 x 8115
1564 × 8115 = 8115 × (1564)
+ 8115 × 4 what gives us 32460
+ 8115 × 60 that results in 486900
+ 8115 × 500 resulting in 4057500
+ 8115 × 1000 resulting in 8115000

= 12691860
