Alright, let's work through 85936964 times 49317663 step by step
85936964 × 49317663 = 49317663 × (85936964)
+ 49317663 × 4 producing 197270652
+ 49317663 × 60 which equals 2959059780
+ 49317663 × 900 resulting in 44385896700
+ 49317663 × 6000 producing 295905978000
+ 49317663 × 30000 producing 1479529890000
+ 49317663 × 900000 which equals 44385896700000
+ 49317663 × 5000000 which equals 246588315000000
+ 49317663 × 80000000 that results in 3945413040000000

= 4238210229795132
