Alright, let's work through 86143080 times 34452976 step by step
86143080 × 34452976 = 34452976 × (86143080)
+ 34452976 × 0 yielding 0
+ 34452976 × 80 producing 2756238080
+ 34452976 × 000 what gives us 0
+ 34452976 × 3000 what gives us 103358928000
+ 34452976 × 40000 resulting in 1378119040000
+ 34452976 × 100000 resulting in 3445297600000
+ 34452976 × 6000000 producing 206717856000000
+ 34452976 × 80000000 which equals 2756238080000000

= 2967885467806080
