Xiaofang cuts out a rectangular paper with a length of 10 cm and a width of 4 cm, and cuts out the largest square. What is the circumference of the remaining figure in centimeters?
小芳从一个长10厘米，宽4厘米的长方形纸上剪一刀，剪出了一个最大的正方形，剩下图形的周长是多少厘米？
<gadget id="calculator">10 - 4</gadget>
<output>6</output>

<gadget id="calculator">6 + 4</gadget>
<output>10</output>

<gadget id="calculator">10 * 2</gadget>
<output>20</output>

<result>20</result>