Formula
CommonFun.calcBuff_6851
function CommonFun.calcBuff_6851(srcUser, targetUser, a, b, c, d, lv)
if srcUser == nil or targetUser == nil then
return 0
end
local A = 0
local Num = srcUser:GetBuffLayer(a)
local skilllv = srcUser:GetLernedSkillLevel(b)
A = Num * skilllv * c
return A
end