Alright, let's work through 69385515 times 42080366 step by step
69385515 × 42080366 = 42080366 × (69385515)
+ 42080366 × 5 that equals 210401830
+ 42080366 × 10 which equals 420803660
+ 42080366 × 500 that equals 21040183000
+ 42080366 × 5000 yielding 210401830000
+ 42080366 × 80000 that results in 3366429280000
+ 42080366 × 300000 yielding 12624109800000
+ 42080366 × 9000000 that results in 378723294000000
+ 42080366 × 60000000 resulting in 2524821960000000

= 2919767866298490
