144342x99=14,289,858, 1+4+2+8+9+8+5+8=45, 4+5=9
144342x81=11,691,702, 1+1+6+9+1+7+0+2=27, 2+7=9
144342x18=2,598,156, 2+5+9+8+1+5+6=36, 3+6=9
144322x9=
144342x99=14,289,858, 1+4+2+8+9+8+5+8=45, 4+5=9
144342x81=11,691,702, 1+1+6+9+1+7+0+2=27, 2+7=9
144342x18=2,598,156, 2+5+9+8+1+5+6=36, 3+6=9
144322x9=