How is "gross income from all sources" calculated on Form 1116 (line 3e)? I end up with gross foreign sources income (line 3d) being larger than line 3e. Can it be?

Can gross foreign source income (line 3d on Form 1116) be larger than gross income from all sources (line 3e on Form 1116)? It sounds counterintuitive, yet that is what it comes out being. There is no detailed calculation that I can see anywhere within Turbotax worksheets that shows how gross income from all sources is calculated.
Can anyone help to demystify this?
Thank you!