The perimeter of a square is 37.2 decimeters, what is the area of the square?
一个正方形的周长是37.2分米，这个正方形的面积是多少？
<gadget id="calculator">37.2 / 4</gadget>
<output>9.3</output>

<gadget id="calculator">9.3 * 9.3</gadget>
<output>86.49</output>

<result>86.49</result>