Alright, let's work through 85149714 times 64677426 step by step
85149714 × 64677426 = 64677426 × (85149714)
+ 64677426 × 4 giving us 258709704
+ 64677426 × 10 producing 646774260
+ 64677426 × 700 that is equal 45274198200
+ 64677426 × 9000 giving us 582096834000
+ 64677426 × 40000 giving us 2587097040000
+ 64677426 × 100000 producing 6467742600000
+ 64677426 × 5000000 which equals 323387130000000
+ 64677426 × 80000000 that results in 5174194080000000

= 5507264326156164
