Alright, let's work through 80000002 times 10302996 step by step
80000002 × 10302996 = 10302996 × (80000002)
+ 10302996 × 2 that equals 20605992
+ 10302996 × 00 producing 0
+ 10302996 × 000 that results in 0
+ 10302996 × 0000 that results in 0
+ 10302996 × 00000 which equals 0
+ 10302996 × 000000 what gives us 0
+ 10302996 × 0000000 resulting in 0
+ 10302996 × 80000000 that results in 824239680000000

= 824239700605992
