The Tiangong court summoned Sun Wukong, and the subpoena said: "Sun Wukong, when you were managing the Pantao Garden, you ate the peaches from the Pantao Garden (1/30) on the first day, and the rest on the second day (1/29) , in the next 27 days, you stole peaches from (1/28), (1/27), ... (1/3), (1/2) in Taoyuan that day. After you slipped away, Pantaoyuan only There are 300 peaches left...". Please calculate the original number of peaches in Pantaoyuan according to the contents of the subpoena.
天宫法院传讯孙悟空，传票上写到："孙悟空，你在管理蟠桃园期间，第一天偷吃了蟠桃园(1/30)的桃子，第二天偷吃了剩下的(1/29)，接下来的27天，你分别偷吃了当天桃园的(1/28)，(1/27)，…(1/3)，(1/2)的桃子，你溜走后，蟠桃园只剩下300个桃子…"．请你根据传票上的内容，计算出蟠桃园原有多少个桃子．
<gadget id="calculator">300 * 30</gadget>
<output>9_000</output>

<result>9_000</result>