Alright, let's work through 80922930 times 91722152 step by step
80922930 × 91722152 = 91722152 × (80922930)
+ 91722152 × 0 that equals 0
+ 91722152 × 30 what gives us 2751664560
+ 91722152 × 900 yielding 82549936800
+ 91722152 × 2000 that results in 183444304000
+ 91722152 × 20000 giving us 1834443040000
+ 91722152 × 900000 that results in 82549936800000
+ 91722152 × 0000000 that results in 0
+ 91722152 × 80000000 which equals 7337772160000000

= 7422425285745360
