We're going to solve 1591 multiplied by 6740
1591 × 6740 = 6740 × (1591)
+ 6740 × 1 which equals 6740
+ 6740 × 90 resulting in 606600
+ 6740 × 500 yielding 3370000
+ 6740 × 1000 that results in 6740000

= 10723340
