square piece of paper with a side length of 4 decimeters, cut out a small rectangle with a length of 15 cm and a width of 11 cm in the middle of the paper, what is the perimeter of the remaining part in centimeters?
一个边长4分米的正方形纸片，在纸片中间剪去一个长为15厘米，宽为11厘米的小长方形，那么剩余部分的周长是多少厘米．
<gadget id="calculator">4 * 10</gadget>
<output>40</output>

<gadget id="calculator">40 * 4</gadget>
<output>160</output>

<gadget id="calculator">15 + 11</gadget>
<output>26</output>

<gadget id="calculator">26 * 2</gadget>
<output>52</output>

<gadget id="calculator">160 + 52</gadget>
<output>212</output>

<result>212</result>