How to auto populate a date field based on value passed in other date field in Oracle fusion page?

Summary:

Requirement: End date at program objective level should be populated as start date + 1 whenever a value is provided to start date field.

Content (please ensure you mask any confidential information):

1. Log into Fusion
2. Create a new sandbox with Page Composer tool and enter the sandbox
3. Navigate to Procurement > Negotiations > Manage Programs > Create Program > Create Objective

I have used below EL expression under default value in page composer but it didn't work.

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):

#{bindings.StartDate.inputValue != null ? bindings.StartDate.inputValue.addDays (1) : null }