Alright, let's work through 65134115 times 80718034 step by step
65134115 × 80718034 = 80718034 × (65134115)
+ 80718034 × 5 yielding 403590170
+ 80718034 × 10 giving us 807180340
+ 80718034 × 100 giving us 8071803400
+ 80718034 × 4000 giving us 322872136000
+ 80718034 × 30000 yielding 2421541020000
+ 80718034 × 100000 what gives us 8071803400000
+ 80718034 × 5000000 giving us 403590170000000
+ 80718034 × 60000000 that results in 4843082040000000

= 5257497709129910
