Alright, let's work through 85025294 times 62431518 step by step
85025294 × 62431518 = 62431518 × (85025294)
+ 62431518 × 4 producing 249726072
+ 62431518 × 90 yielding 5618836620
+ 62431518 × 200 which equals 12486303600
+ 62431518 × 5000 that results in 312157590000
+ 62431518 × 20000 resulting in 1248630360000
+ 62431518 × 000000 giving us 0
+ 62431518 × 5000000 that is equal 312157590000000
+ 62431518 × 80000000 that is equal 4994521440000000

= 5308258172816292
