A rectangular handkerchief is 24 centimeters long and 20 centimeters wide. Xiaohong subtracts 2 centimeters from its length and width. What is the circumference of the handkerchief in centimeters?
一块长方形手帕，长24厘米，宽20厘米，小红把它的长和宽各减去2厘米，这个手帕的周长现在是多少厘米．
<gadget id="calculator">24 - 2</gadget>
<output>22</output>

<gadget id="calculator">20 - 2</gadget>
<output>18</output>

<gadget id="calculator">22 + 18</gadget>
<output>40</output>

<gadget id="calculator">40 * 2</gadget>
<output>80</output>

<result>80</result>