The width of a rectangle is long (5/8), if the width is increased by 12 decimeters, it becomes a square. What is the perimeter of this square in decimeters.
一个长方形的宽是长的(5/8)，如果宽增加12分米后，就变成了正方形．这个正方形的周长是多少分米．
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">12 / (3/8)</gadget>
<output>32</output>

<gadget id="calculator">32 * 4</gadget>
<output>128</output>

<result>128</result>