Let's calculate 1392 x 7242
1392 × 7242 = 7242 × (1392)
+ 7242 × 2 what gives us 14484
+ 7242 × 90 which equals 651780
+ 7242 × 300 that equals 2172600
+ 7242 × 1000 what gives us 7242000

= 10080864
