Alright, let's work through 85427157 times 93525137 step by step
85427157 × 93525137 = 93525137 × (85427157)
+ 93525137 × 7 that equals 654675959
+ 93525137 × 50 that equals 4676256850
+ 93525137 × 100 yielding 9352513700
+ 93525137 × 7000 which equals 654675959000
+ 93525137 × 20000 what gives us 1870502740000
+ 93525137 × 400000 resulting in 37410054800000
+ 93525137 × 5000000 producing 467625685000000
+ 93525137 × 80000000 what gives us 7482010960000000

= 7989586561945509
