Alright, let's work through 67376131 times 87770023 step by step
67376131 × 87770023 = 87770023 × (67376131)
+ 87770023 × 1 yielding 87770023
+ 87770023 × 30 giving us 2633100690
+ 87770023 × 100 producing 8777002300
+ 87770023 × 6000 yielding 526620138000
+ 87770023 × 70000 that results in 6143901610000
+ 87770023 × 300000 producing 26331006900000
+ 87770023 × 7000000 that equals 614390161000000
+ 87770023 × 60000000 which equals 5266201380000000

= 5913604567521013
