Solve this equation.

Answer:
1,220,703,125
Step-by-step explanation:
Honestly don't know how to explain this in any other way than just saying put it in a calculator. Sorry. :p
Answer:
1,220,703,125
Step-by-step explanation:
5^2=25
25^4=390,625
5^5=3,125
390,625 x 3,125= 1,220,703,125