We're going to solve 7720 multiplied by 1673
7720 × 1673 = 1673 × (7720)
+ 1673 × 0 which equals 0
+ 1673 × 20 that is equal 33460
+ 1673 × 700 what gives us 1171100
+ 1673 × 7000 that equals 11711000

= 12915560
