How to charge a user for multiple hours selected on AirCalendar

I want to set up the payment to charge the user for multiple hours of tutoring lessons if they choose more than one hour on AirCalendar (currently it only charges the user for 1 hour). I am currently trying to set this up in the workflow as shown in the screenshot but am getting stuck on how to calculate the number of hours that the user selects on AirCalendar. Can anyone help?

Hi @soojungish:

Are you able to save in DB?
If you are able to save it then calculate it in the the next workflow by extracting hour/minute/day.

In your case you would extract hour from the date and then calculate the value based on that:

Thanks,
Ali
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