Alright, let's work through 21732345 times 80964042 step by step
21732345 × 80964042 = 80964042 × (21732345)
+ 80964042 × 5 that is equal 404820210
+ 80964042 × 40 that equals 3238561680
+ 80964042 × 300 giving us 24289212600
+ 80964042 × 2000 yielding 161928084000
+ 80964042 × 30000 giving us 2428921260000
+ 80964042 × 700000 what gives us 56674829400000
+ 80964042 × 1000000 what gives us 80964042000000
+ 80964042 × 20000000 producing 1619280840000000

= 1759538493338490
