Alright, let's work through 97201611 times 16109137 step by step
97201611 × 16109137 = 16109137 × (97201611)
+ 16109137 × 1 that is equal 16109137
+ 16109137 × 10 giving us 161091370
+ 16109137 × 600 that results in 9665482200
+ 16109137 × 1000 what gives us 16109137000
+ 16109137 × 00000 that equals 0
+ 16109137 × 200000 what gives us 3221827400000
+ 16109137 × 7000000 producing 112763959000000
+ 16109137 × 90000000 producing 1449822330000000

= 1565834068219707
