Let's calculate 1579 x 7790
1579 × 7790 = 7790 × (1579)
+ 7790 × 9 that is equal 70110
+ 7790 × 70 what gives us 545300
+ 7790 × 500 resulting in 3895000
+ 7790 × 1000 which equals 7790000

= 12300410
