Alright, let's work through 13190998 times 15984001 step by step
13190998 × 15984001 = 15984001 × (13190998)
+ 15984001 × 8 which equals 127872008
+ 15984001 × 90 which equals 1438560090
+ 15984001 × 900 what gives us 14385600900
+ 15984001 × 0000 that equals 0
+ 15984001 × 90000 that results in 1438560090000
+ 15984001 × 100000 that results in 1598400100000
+ 15984001 × 3000000 resulting in 47952003000000
+ 15984001 × 10000000 giving us 159840010000000

= 210844925222998
