Alright, let's work through 80687472 times 45326087 step by step
80687472 × 45326087 = 45326087 × (80687472)
+ 45326087 × 2 that is equal 90652174
+ 45326087 × 70 resulting in 3172826090
+ 45326087 × 400 giving us 18130434800
+ 45326087 × 7000 that is equal 317282609000
+ 45326087 × 80000 that results in 3626086960000
+ 45326087 × 600000 which equals 27195652200000
+ 45326087 × 0000000 that results in 0
+ 45326087 × 80000000 giving us 3626086960000000

= 3657247375682064
