We're going to solve 4591 multiplied by 1551
4591 × 1551 = 1551 × (4591)
+ 1551 × 1 that is equal 1551
+ 1551 × 90 that is equal 139590
+ 1551 × 500 that is equal 775500
+ 1551 × 4000 which equals 6204000

= 7120641
