Alright, let's work through 85390520 times 43494348 step by step
85390520 × 43494348 = 43494348 × (85390520)
+ 43494348 × 0 giving us 0
+ 43494348 × 20 which equals 869886960
+ 43494348 × 500 resulting in 21747174000
+ 43494348 × 0000 yielding 0
+ 43494348 × 90000 what gives us 3914491320000
+ 43494348 × 300000 that equals 13048304400000
+ 43494348 × 5000000 what gives us 217471740000000
+ 43494348 × 80000000 that equals 3479547840000000

= 3714004992780960
