No problem, we've got 8084429 and 21114694 to multiply
8084429 × 21114694 = 21114694 × (8084429)
+ 21114694 × 9 producing 190032246
+ 21114694 × 20 that is equal 422293880
+ 21114694 × 400 what gives us 8445877600
+ 21114694 × 4000 resulting in 84458776000
+ 21114694 × 80000 yielding 1689175520000
+ 21114694 × 000000 yielding 0
+ 21114694 × 8000000 that equals 168917552000000

= 170700244499726
