Using each digit 0 thru 9 only once ..

can you solve the above substitution problem ?

Note: There are many solutions. Maximum score is 100 points.

432 solutions found by Albert Frank & Joshua Green ( worth 100 pts ).

232 solutions found by Luc Vingerhoets ( worth 100 points ).

216 solutions found by Chris Magson ( worth 100 points ).

48 solutions found by Joshua Green ( worth 48 points ).

4 solutions found by Steve Steppe.

1 solution found by LW Luk, Glenn McCorkel and Helen Moawad.