Formula
CommonFun.calcBuff_7580
function CommonFun.calcBuff_7580(srcUser, targetUser, a, b, c, d, lv)
if srcUser == nil or targetUser == nil then
return 0
end
local A = 0
if targetUser:GetNpcID() == 320000 then
A = b
else
A = a
end
return A
end