Alright, let's work through 85179342 times 9910343 step by step
85179342 × 9910343 = 9910343 × (85179342)
+ 9910343 × 2 what gives us 19820686
+ 9910343 × 40 giving us 396413720
+ 9910343 × 300 yielding 2973102900
+ 9910343 × 9000 resulting in 89193087000
+ 9910343 × 70000 giving us 693724010000
+ 9910343 × 100000 that is equal 991034300000
+ 9910343 × 5000000 resulting in 49551715000000
+ 9910343 × 80000000 what gives us 792827440000000

= 844156495734306
