Cut out the largest square from a piece of cardboard with a length of 20 cm and a width of 14 cm. How many square centimeters will the area of the remaining part be less than the area of the cut part?
在一张长20厘米，宽14厘米的纸板上，剪下一个最大的正方形，剩余部分的面积比剪下部分的面积少多少平方厘米？
<gadget id="calculator">14 * 14</gadget>
<output>196</output>

<gadget id="calculator">336 - 196</gadget>
<output>140</output>

<gadget id="calculator">196 - 140</gadget>
<output>56</output>

<result>56</result>