There is a square floor tile in Xiaoming’s house, and its perimeter is 240 cm. What is the area of this floor tile in square decimeters?
小明家有一块正方形地砖，它的周长是240厘米，求这块地砖的面积是多少平方分米？
<gadget id="calculator">240 / 4</gadget>
<output>60</output>

<gadget id="calculator">240 / 4 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">60 * (3/5)</gadget>
<output>36</output>

<result>36</result>