We're going to solve 81580258 multiplied by 83277016
81580258 × 83277016 = 83277016 × (81580258)
+ 83277016 × 8 producing 666216128
+ 83277016 × 50 that equals 4163850800
+ 83277016 × 200 that results in 16655403200
+ 83277016 × 0000 producing 0
+ 83277016 × 80000 yielding 6662161280000
+ 83277016 × 500000 resulting in 41638508000000
+ 83277016 × 1000000 giving us 83277016000000
+ 83277016 × 80000000 what gives us 6662161280000000

= 6793760450750128
