Alright, let's work through 88691666 times 75136743 step by step
88691666 × 75136743 = 75136743 × (88691666)
+ 75136743 × 6 yielding 450820458
+ 75136743 × 60 resulting in 4508204580
+ 75136743 × 600 producing 45082045800
+ 75136743 × 1000 producing 75136743000
+ 75136743 × 90000 which equals 6762306870000
+ 75136743 × 600000 yielding 45082045800000
+ 75136743 × 8000000 that equals 601093944000000
+ 75136743 × 80000000 yielding 6010939440000000

= 6664002914483838
