We're going to solve 1389 multiplied by 7757
1389 × 7757 = 7757 × (1389)
+ 7757 × 9 what gives us 69813
+ 7757 × 80 which equals 620560
+ 7757 × 300 that is equal 2327100
+ 7757 × 1000 which equals 7757000

= 10774473
