Alright, let's work through 78126882 times 83564952 step by step
78126882 × 83564952 = 83564952 × (78126882)
+ 83564952 × 2 what gives us 167129904
+ 83564952 × 80 resulting in 6685196160
+ 83564952 × 800 producing 66851961600
+ 83564952 × 6000 that is equal 501389712000
+ 83564952 × 20000 giving us 1671299040000
+ 83564952 × 100000 that results in 8356495200000
+ 83564952 × 8000000 producing 668519616000000
+ 83564952 × 70000000 giving us 5849546640000000

= 6528669144239664
