How to convert Seconds into Hrs:Min:Sec format in Zoho Reports

How to convert Seconds into Hrs:Min:Sec format in Zoho Reports

We have two date/time stamp field in one of our data tables. We want to create a formula column to calculate the difference between these two dates. What format will the resulting column be in -in am hoping it will be in a numberic format and the result will be in seconds. Can someone confirm?