After straightening a square wire frame with a side length of 12 cm, it is re-enclosed into a rectangle with a width of 5 cm. What is the length of this rectangle in cm?
把一个边长为12厘米的正方形铁丝框拉直后，再重新围成一个宽5厘米的长方形，这个长方形的长是多少厘米？
<gadget id="calculator">12 * 4</gadget>
<output>48</output>

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

<gadget id="calculator">24 - 5</gadget>
<output>19</output>

<result>19</result>