Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "y8"   was replaced by   "y^8". 

Step  1  :

Multiplying exponential expressions :

 1.1    y²⁹ multiplied by y⁸ = y^{(29 + 8)} = y³⁷

Final result :

  y37