Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "r6"   was replaced by   "r^6". 

Step  1  :

Equation at the end of step  1  :

  32r215 • r6

Step  2  :

Multiplying exponential expressions :

 2.1    r²¹⁵ multiplied by r⁶ = r^{(215 + 6)} = r²²¹

Final result :

  32r221