This is what I'm trying to do ---- but just can't seem to get it right. Can anyone help???

IF J3="RD" and K3="RA", OR
K3="RD" and L3="RA", OR
L3="RD" and M3="RA", OR
M3="RD" and N3="RA",
if one of the above is true then V3*W3
if none of the above are true then "n/a"