There are 2000 peaches, and the monkey king distributes them to a group of monkeys to eat. On the first day, they eat 1/2 of the total, on the second day they eat the remaining peaches (1/3), on the third day they eat the rest of the second day. (1/4), and eat the remaining (1/5), (1/6), (1/7), ..., (1/2000) of the previous day in turn every day, and how many are left in the end.
有2000个桃子，猴王分给一批猴子吃，第一天吃了总数的(1/2)，第二天吃了余下桃子的(1/3)，第三天吃了第二天余下的(1/4)，以后每天依次吃掉前一天余下的(1/5)，(1/6)，(1/7)，…，(1/2000)，最后余下多少个．
<gadget id="calculator">1 / 2_000</gadget>
<output>1/2_000 = around 0.0005</output>

<gadget id="calculator">2_000 * (1/2_000)</gadget>
<output>1</output>

<result>1</result>