Sure thing! Let's multiply 21358719 and 20516979 together
21358719 × 20516979 = 20516979 × (21358719)
+ 20516979 × 9 which equals 184652811
+ 20516979 × 10 resulting in 205169790
+ 20516979 × 700 that equals 14361885300
+ 20516979 × 8000 resulting in 164135832000
+ 20516979 × 50000 producing 1025848950000
+ 20516979 × 300000 yielding 6155093700000
+ 20516979 × 1000000 what gives us 20516979000000
+ 20516979 × 20000000 that is equal 410339580000000

= 438216389189901
