6,300 in English can be said as "six thousand three hundred". The number comes from the combination of the number 6, representing the thousands place, and the number 300, representing the hundreds place. Here are some example sentences in English and their translations in Chinese:

The price of the item is $6,300. (这件商品的价格是6300美元。)

The population of the city is approximately 6,300. (这个城市的人口大约是6300人。)

She scored 6,300 points in the video game. (她在这个电子游戏中得了6300分。)