The 20th FIFA World Cup was held in Brazil. The standard world football field stipulated by FIFA is 105 meters long and 68 meters wide. What is the area in square meters?
第20届世界杯足球赛在巴西举行．国际足联规定的标准的世界足球场长105米，宽68米，面积为多少平方米
<gadget id="calculator">105 * 68</gadget>
<output>7_140</output>

<result>7_140</result>