Alright, let's work through 97480647 times 61331523 step by step
97480647 × 61331523 = 61331523 × (97480647)
+ 61331523 × 7 producing 429320661
+ 61331523 × 40 yielding 2453260920
+ 61331523 × 600 that equals 36798913800
+ 61331523 × 0000 what gives us 0
+ 61331523 × 80000 what gives us 4906521840000
+ 61331523 × 400000 what gives us 24532609200000
+ 61331523 × 7000000 giving us 429320661000000
+ 61331523 × 90000000 giving us 5519837070000000

= 5978636543535381
