We're going to solve 8489 multiplied by 7220
8489 × 7220 = 7220 × (8489)
+ 7220 × 9 what gives us 64980
+ 7220 × 80 that results in 577600
+ 7220 × 400 producing 2888000
+ 7220 × 8000 that equals 57760000

= 61290580
