how to make it so that two scripts can update one another ?

first code: Location : part script type : script

script.Parent.ClickDetector.MouseClick:Connect(function(player)
player.leaderstats.Crops.Value = player.leaderstats.Crops.Value + 2
end)

outcome : Player.Leaderstats.Crops.Value = 2

second code: Location : tool Script type : Local Script

script.Parent.Equipped:Connect(function(Mouse)
Mouse.Button1Down:Connect(function()
    player.leaderstats.Crops.Value = player.leaderstats.Crops.Value - 1

end)
end)

outcome : Player.Leaderstats.Crops.Value = 1

but when I clicked the part that has my first code again , the oucome is 4 instead of 3 How do I fix this , plz help me