Alright, let's work through 742414 times 81004064 step by step
742414 × 81004064 = 81004064 × (742414)
+ 81004064 × 4 what gives us 324016256
+ 81004064 × 10 what gives us 810040640
+ 81004064 × 400 giving us 32401625600
+ 81004064 × 2000 giving us 162008128000
+ 81004064 × 40000 that is equal 3240162560000
+ 81004064 × 700000 resulting in 56702844800000

= 60138551170496
