When Lin Lin calculated 4.5 minus a decimal, he mistook subtraction as addition and calculated the result as 5.6. What should be the correct result?
林林在计算4.5减一个小数时，错把减看作加算出结果是5.6，正确结果应是多少？
<gadget id="calculator">5.6 - 4.5</gadget>
<output>1.1</output>

<gadget id="calculator">4.5 - 1.1</gadget>
<output>3.4</output>

<result>3.4</result>