Alright, let's work through 81375727 times 94848678 step by step
81375727 × 94848678 = 94848678 × (81375727)
+ 94848678 × 7 yielding 663940746
+ 94848678 × 20 what gives us 1896973560
+ 94848678 × 700 yielding 66394074600
+ 94848678 × 5000 giving us 474243390000
+ 94848678 × 70000 that is equal 6639407460000
+ 94848678 × 300000 that results in 28454603400000
+ 94848678 × 1000000 which equals 94848678000000
+ 94848678 × 80000000 yielding 7587894240000000

= 7718380127238906
