Alright, let's work through 80779700 times 98379576 step by step
80779700 × 98379576 = 98379576 × (80779700)
+ 98379576 × 0 that is equal 0
+ 98379576 × 00 yielding 0
+ 98379576 × 700 that equals 68865703200
+ 98379576 × 9000 that is equal 885416184000
+ 98379576 × 70000 what gives us 6886570320000
+ 98379576 × 700000 that results in 68865703200000
+ 98379576 × 0000000 what gives us 0
+ 98379576 × 80000000 resulting in 7870366080000000

= 7947072635407200
