We're going to solve 97198997 multiplied by 19921739
97198997 × 19921739 = 19921739 × (97198997)
+ 19921739 × 7 that equals 139452173
+ 19921739 × 90 what gives us 1792956510
+ 19921739 × 900 what gives us 17929565100
+ 19921739 × 8000 giving us 159373912000
+ 19921739 × 90000 producing 1792956510000
+ 19921739 × 100000 which equals 1992173900000
+ 19921739 × 7000000 what gives us 139452173000000
+ 19921739 × 90000000 yielding 1792956510000000

= 1936373049295783
