The perimeter of a rectangle is 112 cm, and the ratio of length to width is 4:3. What is the area of the rectangle in square centimeters?
一个长方形的周长是112厘米，长和宽的比是4：3，这个长方形的面积是多少平方厘米．
<gadget id="calculator">4 + 4 + 3 + 3</gadget>
<output>14</output>

<gadget id="calculator">4 / 14</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">3 / 14</gadget>
<output>3/14 = around 0.214286</output>

<gadget id="calculator">112 * (2/7) * 112 * (3/14)</gadget>
<output>768</output>

<result>768</result>