The ratio is likely closer to 20-30%. I searched the internet until I found data that confirmed my guess ;-). https://blossomstreetventures.medium.com/the-makeup-of-saas-....

Zoom includes network, compute, video, voice, recording, recording-storage, transcription, mobile clients, telecom/phone-in, meeting controls, webinar controls, in app messaging, presumably global data centers, calendars, whiteboards, 3rd party app integrations for calendars and schedule, zoom-rooms/hardware, "zoom apps" - 3rd party application integration, bot integration, and a whole enterprise VOIP business on top of it all.