A piece of lawn is 66 meters long and 55 meters wide. After expansion, the length increases by 14 meters. What is the area of the lawn after expansion?
一块草坪长66米，宽55米，扩建以后，长增加了14米，扩建后的草坪面积是多少平方米？
<gadget id="calculator">66 + 14</gadget>
<output>80</output>

<gadget id="calculator">80 * 55</gadget>
<output>4_400</output>

<result>4_400</result>