You don't really have to guess at this stuff.
This shows average intake over 52 years and recommended intake by age group (starts at :16 of the embedded video).
The average moderately active male requires 2600 calories per day but now consumes 3600 calories.
Consider how much exercise one needs to do to burn that excess 1000 calories per day.
According to a Harvard study it's about 90 minutes of moderate riding.
https://www.businessinsider.com/amer...science-2017-6
https://www.healthline.com/health/ho...g#slow-vs-fast