Formula:
=SUMPRODUCT(MID(0&A2,LARGE(INDEX(ISNUMBER(--MID(A2,ROW($1:$25),1))* ROW($1:$25),0),ROW($1:$25))+1,1)*10^ROW($1:$25)/10)
or
=RIGHT(A2,SUM(LEN(A2) - LEN(SUBSTITUTE(A2, {"0","1","2","3","4","5","6","7","8","9"},""))))
See the Images below for clarification:
