Alright, let's work through 67027081 times 52708561 step by step
67027081 × 52708561 = 52708561 × (67027081)
+ 52708561 × 1 that results in 52708561
+ 52708561 × 80 resulting in 4216684880
+ 52708561 × 000 giving us 0
+ 52708561 × 7000 that results in 368959927000
+ 52708561 × 20000 producing 1054171220000
+ 52708561 × 000000 producing 0
+ 52708561 × 7000000 what gives us 368959927000000
+ 52708561 × 60000000 yielding 3162513660000000

= 3532900987540441
