We're going to solve 64804723 multiplied by 85474401
64804723 × 85474401 = 85474401 × (64804723)
+ 85474401 × 3 which equals 256423203
+ 85474401 × 20 producing 1709488020
+ 85474401 × 700 which equals 59832080700
+ 85474401 × 4000 producing 341897604000
+ 85474401 × 00000 that equals 0
+ 85474401 × 800000 that results in 68379520800000
+ 85474401 × 4000000 which equals 341897604000000
+ 85474401 × 60000000 what gives us 5128464060000000

= 5539144880395923
