Formula
CommonFun.calcBuff_6510
function CommonFun.calcBuff_6510(srcUser, targetUser, a, b, c, d, lv)
if srcUser == nil or targetUser == nil then
return 0
end
local StrengthLv = srcUser:GetEquipedStrengthLv(c)
local A = d
if b <= StrengthLv then
A = (StrengthLv - b) * a + A
end
return A
end