Alright, let's work through 17677960 times 19640349 step by step
17677960 × 19640349 = 19640349 × (17677960)
+ 19640349 × 0 what gives us 0
+ 19640349 × 60 which equals 1178420940
+ 19640349 × 900 which equals 17676314100
+ 19640349 × 7000 giving us 137482443000
+ 19640349 × 70000 what gives us 1374824430000
+ 19640349 × 600000 that results in 11784209400000
+ 19640349 × 7000000 resulting in 137482443000000
+ 19640349 × 10000000 resulting in 196403490000000

= 347201304008040
