The perimeter of a rectangle is 88 cm, and the ratio of length to width is 4:7. What is the area?
一个长方形周长是88cm，长与宽的比是4：7．面积是多少？
<gadget id="calculator">88 / 2</gadget>
<output>44</output>

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

<gadget id="calculator">4 / 11</gadget>
<output>4/11 = around 0.363636</output>

<gadget id="calculator">44 * (4/11)</gadget>
<output>16</output>

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

<gadget id="calculator">44 * (7/11)</gadget>
<output>28</output>

<gadget id="calculator">16 * 28</gadget>
<output>448</output>

<result>448</result>