In order to allow deaf-mute students to master a skill, the vocational skills of the school for the deaf-mute has opened diamond embroidery this semester. Li Xiang’s work is 6 decimeters wide, and the length is three times the width. If you put a frame on this work, what is the length of the frame? ?
为了让聋哑学生掌握一技之长，聋哑学校本学期的职业技能开设了钻石绣，李响的作品宽6分米，长是宽的3倍，如果给这幅作品镶上边框，边框的长度是多少？
<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<gadget id="calculator">18 + 6</gadget>
<output>24</output>

<gadget id="calculator">24 * 2</gadget>
<output>48</output>

<result>48</result>