Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "y5"   was replaced by   "y^5". 

Step  1  :

Multiplying exponential expressions :

 1.1    y²⁶ multiplied by y⁵ = y^{(26 + 5)} = y³¹

Final result :

  y31