We're going to solve 9978 multiplied by 8009
9978 × 8009 = 8009 × (9978)
+ 8009 × 8 giving us 64072
+ 8009 × 70 what gives us 560630
+ 8009 × 900 that results in 7208100
+ 8009 × 9000 what gives us 72081000

= 79913802
