Alright, let's work through 97540749 times 79577591 step by step
97540749 × 79577591 = 79577591 × (97540749)
+ 79577591 × 9 producing 716198319
+ 79577591 × 40 that equals 3183103640
+ 79577591 × 700 resulting in 55704313700
+ 79577591 × 0000 what gives us 0
+ 79577591 × 40000 what gives us 3183103640000
+ 79577591 × 500000 that equals 39788795500000
+ 79577591 × 7000000 what gives us 557043137000000
+ 79577591 × 90000000 what gives us 7161983190000000

= 7762057829755659
