Alright, let's work through 71436378 times 23318519 step by step
71436378 × 23318519 = 23318519 × (71436378)
+ 23318519 × 8 that equals 186548152
+ 23318519 × 70 producing 1632296330
+ 23318519 × 300 that is equal 6995555700
+ 23318519 × 6000 resulting in 139911114000
+ 23318519 × 30000 that is equal 699555570000
+ 23318519 × 400000 that equals 9327407600000
+ 23318519 × 1000000 what gives us 23318519000000
+ 23318519 × 70000000 that is equal 1632296330000000

= 1665790537684182
