The perimeter of a rectangle is 120 cm. If the length is increased by 12 cm, the length of the rectangle is now three times the width. If the original rectangle is to be cut into the largest square, what is the perimeter of the square? how many centimeters
一个长方形的周长是120厘米，如果长增加12厘米，那么现在长方形的长就是宽的3倍，如果要把原长方形剪成一个最大的正方形，求这个正方形的周长？多少厘米
<gadget id="calculator">120 + 12 + 12</gadget>
<output>144</output>

<gadget id="calculator">1 + 3</gadget>
<output>4</output>

<gadget id="calculator">144 / 2 / 4</gadget>
<output>18</output>

<gadget id="calculator">18 * 4</gadget>
<output>72</output>

<result>72</result>