Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "m2"   was replaced by   "m^2". 

Step  1  :

Multiplying exponential expressions :

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

Final result :

  m3