Alright, let's work through 79909886 times 87340985 step by step
79909886 × 87340985 = 87340985 × (79909886)
+ 87340985 × 6 that equals 524045910
+ 87340985 × 80 which equals 6987278800
+ 87340985 × 800 producing 69872788000
+ 87340985 × 9000 that results in 786068865000
+ 87340985 × 00000 producing 0
+ 87340985 × 900000 giving us 78606886500000
+ 87340985 × 9000000 that is equal 786068865000000
+ 87340985 × 70000000 yielding 6113868950000000

= 6979408154477710
