Alright, let's work through 77007079 times 91819205 step by step
77007079 × 91819205 = 91819205 × (77007079)
+ 91819205 × 9 that equals 826372845
+ 91819205 × 70 producing 6427344350
+ 91819205 × 000 that equals 0
+ 91819205 × 7000 giving us 642734435000
+ 91819205 × 00000 resulting in 0
+ 91819205 × 000000 what gives us 0
+ 91819205 × 7000000 what gives us 642734435000000
+ 91819205 × 70000000 what gives us 6427344350000000

= 7070728773152195
