work out
US /wɜːrk aʊt/
UK /wɜːrk aʊt/

1.
to do physical exercise
:
•
I like to work out at the gym three times a week.
•
She needs to work out more to stay healthy.
2.
to solve a problem or calculate something
:
•
Can you help me work out this math problem?
•
We need to work out a plan for the presentation.