No problem, we've got 10001944 and 19927710 to multiply
10001944 × 19927710 = 19927710 × (10001944)
+ 19927710 × 4 that equals 79710840
+ 19927710 × 40 resulting in 797108400
+ 19927710 × 900 which equals 17934939000
+ 19927710 × 1000 what gives us 19927710000
+ 19927710 × 00000 that equals 0
+ 19927710 × 000000 what gives us 0
+ 19927710 × 0000000 resulting in 0
+ 19927710 × 10000000 producing 199277100000000

= 199315839468240
