Translation of "total area" into Chinese

More than 70 per cent of the total area contaminated with radiation lies within our country.

遭受放射性污染的总面积70%以上在我国境内。

The total area of Taiwan is about 36,000 sq. km, and mountains account for 30% of the surface area.

台灣的總面積大約36000平方公里,山林就佔了百分之三十。