Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "*-3" was replaced by "*(-3)".

(2): ".8" was replaced by "(8/10)". 4 more similar replacement(s)

Step  1  :

            4
 Simplify   —
            5

Equation at the end of step  1  :

        97  8  78      4
  0-((((——•——)•——)•-3)•—)
        10 10  10      5

Step  2  :

            39
 Simplify   ——
            5 

Equation at the end of step  2  :

        97  8  39      4
  0-((((——•——)•——)•-3)•—)
        10 10  5       5

Step  3  :

            4
 Simplify   —
            5

Equation at the end of step  3  :

        97 4  39      4
  0-((((——•—)•——)•-3)•—)
        10 5  5       5

Step  4  :

            97
 Simplify   ——
            10

Equation at the end of step  4  :

           97   4    39          4
  0 -  ((((—— • —) • ——) • -3) • —)
           10   5    5           5

Step  5  :

Final result :

  90792             
  ————— = 145.26720 
   625