Alright, let's work through 16697309 times 71123779 step by step
16697309 × 71123779 = 71123779 × (16697309)
+ 71123779 × 9 which equals 640114011
+ 71123779 × 00 which equals 0
+ 71123779 × 300 that equals 21337133700
+ 71123779 × 7000 that equals 497866453000
+ 71123779 × 90000 producing 6401140110000
+ 71123779 × 600000 resulting in 42674267400000
+ 71123779 × 6000000 giving us 426742674000000
+ 71123779 × 10000000 yielding 711237790000000

= 1187575715210711
