We're going to solve 78364523 multiplied by 18156036
78364523 × 18156036 = 18156036 × (78364523)
+ 18156036 × 3 yielding 54468108
+ 18156036 × 20 which equals 363120720
+ 18156036 × 500 which equals 9078018000
+ 18156036 × 4000 which equals 72624144000
+ 18156036 × 60000 resulting in 1089362160000
+ 18156036 × 300000 yielding 5446810800000
+ 18156036 × 8000000 resulting in 145248288000000
+ 18156036 × 70000000 which equals 1270922520000000

= 1422789100710828
