Alright, let's work through 21069709 times 45608645 step by step
21069709 × 45608645 = 45608645 × (21069709)
+ 45608645 × 9 that results in 410477805
+ 45608645 × 00 resulting in 0
+ 45608645 × 700 what gives us 31926051500
+ 45608645 × 9000 giving us 410477805000
+ 45608645 × 60000 yielding 2736518700000
+ 45608645 × 000000 resulting in 0
+ 45608645 × 1000000 what gives us 45608645000000
+ 45608645 × 20000000 resulting in 912172900000000

= 960960878034305
