Alright, let's work through 97518361 times 71901631 step by step
97518361 × 71901631 = 71901631 × (97518361)
+ 71901631 × 1 that equals 71901631
+ 71901631 × 60 yielding 4314097860
+ 71901631 × 300 that equals 21570489300
+ 71901631 × 8000 which equals 575213048000
+ 71901631 × 10000 resulting in 719016310000
+ 71901631 × 500000 that results in 35950815500000
+ 71901631 × 7000000 yielding 503311417000000
+ 71901631 × 90000000 that results in 6471146790000000

= 7011729208346791
