[lexa2000lexa]

p_1.text = ""
p_2.text = ""
p_3.text = ""
but.onPress = function() {
	var x1:Number = p_1.text;
	if (p_1.text == "") {
		x1 = 0;
	}
	var x2:Number = p_2.text;
	if (p_2.text == "") {
		x2 = 0;
	}
	var x3:Number = p_3.text;
	if (p_3.text == "") {
		x3 = 0;
 
	}
	pNum.text = ((x2-70)+(x3-x1))/10;
};