The perimeter of the classroom floor is 44 meters, and the ratio of length to width is 7:4. How many square meters is the floor area of this classroom?
教室地面的周长是44米，长与宽的比是7：4，这间教室地面的面积是多少平方米？
<gadget id="calculator">44 / 2</gadget>
<output>22</output>

<gadget id="calculator">7 + 4</gadget>
<output>11</output>

<gadget id="calculator">7 / 11</gadget>
<output>7/11 = around 0.636364</output>

<gadget id="calculator">22 * (7/11)</gadget>
<output>14</output>

<gadget id="calculator">22 - 14</gadget>
<output>8</output>

<gadget id="calculator">14 * 8</gadget>
<output>112</output>

<result>112</result>