reduce their daily calorie intake to 1,500 - 1,800 calories
or
reduce their daily calorie intake by 1,500 - 1,800 calories
These are very different answers, unless you’re consuming ~3,300 calories per day. These kinds of ‘subtle’ phrasing issue often results in AI mistake as both words are commonly used in advice but the context is really important.
Oh yeah! No, reduce to not reduce by. Though at the time I was eating a few things that had high calories that I didn’t realize so it would have been the same.
