You are misunderstanding, you cannot end in Europe, when originating in USA

You can only have one open jaw and stopover, or two stopovers, not both

You can do USA-SIN/HKG(stop)-BOM(oj)DEL-USA or USA-SIN(stop)-DEL(dest)-ADD(stop)-USA

All of this has to add up to some mysterious unknown MPM. Likely DEL-ADD-CDG is over that mystery number.