Alright, let's work through 66882080 times 79350699 step by step
66882080 × 79350699 = 79350699 × (66882080)
+ 79350699 × 0 what gives us 0
+ 79350699 × 80 yielding 6348055920
+ 79350699 × 000 yielding 0
+ 79350699 × 2000 giving us 158701398000
+ 79350699 × 80000 that equals 6348055920000
+ 79350699 × 800000 that results in 63480559200000
+ 79350699 × 6000000 giving us 476104194000000
+ 79350699 × 60000000 yielding 4761041940000000

= 5307139798573920
