The length of a rectangle is 90 cm and the width is 80 cm. If you cut it into the largest square, what is its perimeter?
一个长方形长是90厘米，宽是80厘米，把它剪成一个最大的正方形，它的周长是多少分米？
<gadget id="calculator">80 * 4</gadget>
<output>320</output>

<gadget id="calculator">320 / 10</gadget>
<output>32</output>

<result>32</result>