On the website, click on the red banner at the bottom of the screen where the 3 word address is displayed, and click 'Share pin location'. You can then select 'GPS' which will show the coordinates for you to share or save.
On the app, go to Settings then Share Settings, and select the GPS format you would like to see. Tap the Share icon at the bottom of the screen, and an app of your choice. The 3 word address will show in the coordinate format you requested.