We're going to solve 20891358 multiplied by 80346477
20891358 × 80346477 = 80346477 × (20891358)
+ 80346477 × 8 that results in 642771816
+ 80346477 × 50 giving us 4017323850
+ 80346477 × 300 that results in 24103943100
+ 80346477 × 1000 producing 80346477000
+ 80346477 × 90000 that results in 7231182930000
+ 80346477 × 800000 yielding 64277181600000
+ 80346477 × 0000000 that results in 0
+ 80346477 × 20000000 giving us 1606929540000000

= 1678547015045766
