Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "7.5" was replaced by "(75/10)".

Step  1  :

            15
 Simplify   ——
            2 

Equation at the end of step  1  :

       15
  (((((——•c)•m)•t)•o)•m)•m
       2 
 Step  2  :

Multiplying exponential expressions :

 2.1    m² multiplied by m¹ = m^{(2 + 1)} = m³

Final result :

  15cm3to
  ———————
     2