A rectangle with a length of 9 cm and a width of 7 cm, after cutting out the largest square, what is the area of the remaining figure in square centimeters?
一个长9厘米，宽7厘米的长方形，剪下一个最大的正方形后，剩下的图形的面积是多少平方厘米．
<gadget id="calculator">9 * 7</gadget>
<output>63</output>

<gadget id="calculator">7 * 7</gadget>
<output>49</output>

<gadget id="calculator">63 - 49</gadget>
<output>14</output>

<result>14</result>