local path = workspace:WaitForChild("Map"):WaitForChild("Functional"):WaitForChild("Screen")
local gui = path:WaitForChild("SurfaceGui"):WaitForChild("MainFrame")
local container = gui:WaitForChild("MainGameContainer"):WaitForChild("MainTxtContainer")
local questionText = container:WaitForChild("QuestionText")

local replicatedStorage = game:GetService("ReplicatedStorage")
local gameEvent = replicatedStorage:WaitForChild("Events"):WaitForChild("GameEvent")

local function solveExpression(expression)
	local a, operator, b = string.match(expression, "(%d+)%s*([%+%-x/])%s*(%d+)")
	a = tonumber(a)
	b = tonumber(b)

	local result
	if operator == "+" then
		result = a + b
	elseif operator == "-" then
		result = a - b
	elseif operator == "x" then
		result = a * b
	elseif operator == "/" then
		result = a / b
	else
		return
	end

	local answerStr = tostring(result)

	local args1 = { "updateAnswer", answerStr }
	gameEvent:FireServer(unpack(args1))

	task.delay(0.1, function()
		local args2 = { "submitAnswer", answerStr }
		gameEvent:FireServer(unpack(args2))
	end)
end

solveExpression(questionText.Text)

questionText:GetPropertyChangedSignal("Text"):Connect(function()
	solveExpression(questionText.Text)
end)