The middle number is the sum of numbers assigned to their adjacent alphabets as, A=1, B=2, C=3,.......,Z=26
EJO + TYE $$\equiv5+10+15+20+25+5=80$$
DHL + PTX $$\equiv4+8+12+16+20+24=84$$
Similarly, CFI + LOR $$\equiv3+6+9+12+15+18=63$$
=> Ans - (A)
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