Alright, let's work through 85427836 times 93418703 step by step
85427836 × 93418703 = 93418703 × (85427836)
+ 93418703 × 6 giving us 560512218
+ 93418703 × 30 yielding 2802561090
+ 93418703 × 800 giving us 74734962400
+ 93418703 × 7000 that is equal 653930921000
+ 93418703 × 20000 that results in 1868374060000
+ 93418703 × 400000 that results in 37367481200000
+ 93418703 × 5000000 giving us 467093515000000
+ 93418703 × 80000000 what gives us 7473496240000000

= 7980557639216708
