Alright, let's work through 64381842 times 85052369 step by step
64381842 × 85052369 = 85052369 × (64381842)
+ 85052369 × 2 that is equal 170104738
+ 85052369 × 40 that equals 3402094760
+ 85052369 × 800 that results in 68041895200
+ 85052369 × 1000 that is equal 85052369000
+ 85052369 × 80000 producing 6804189520000
+ 85052369 × 300000 what gives us 25515710700000
+ 85052369 × 4000000 giving us 340209476000000
+ 85052369 × 60000000 that results in 5103142140000000

= 5475828182683698
