Alright, let's work through 91982103 times 88367487 step by step
91982103 × 88367487 = 88367487 × (91982103)
+ 88367487 × 3 that results in 265102461
+ 88367487 × 00 yielding 0
+ 88367487 × 100 resulting in 8836748700
+ 88367487 × 2000 that results in 176734974000
+ 88367487 × 80000 giving us 7069398960000
+ 88367487 × 900000 that results in 79530738300000
+ 88367487 × 1000000 which equals 88367487000000
+ 88367487 × 90000000 that equals 7953073830000000

= 8128227291085161
