A bathroom is 1.8 meters long and 1.44 meters wide. Now we want to lay square tiles on the floor of the bathroom. What is the longest side length of the square tiles in centimeters?
一间浴室长1.8米，宽1.44米．现在要给浴室地面铺上正方形瓷砖，正方形瓷砖的边长最长是多少厘米？
<gadget id="calculator">2 * 2 * 3 * 3</gadget>
<output>36</output>

<result>36</result>