We're going to solve 7880 multiplied by 1722
7880 × 1722 = 1722 × (7880)
+ 1722 × 0 which equals 0
+ 1722 × 80 yielding 137760
+ 1722 × 800 that equals 1377600
+ 1722 × 7000 what gives us 12054000

= 13569360
