Xiaohong typed an article. On the first day, she typed 3/10 of the total. On the second day, she typed 2000 words. In two days, she typed half of the article. How many words are there in total?
小红打了一篇文章，第一天打了总数的(3/10)，第二天打了2000字，两天刚好打了这篇文章的一半，这篇文章一共有多少字？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(1/2) - (3/10)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">2_000 / (1/5)</gadget>
<output>10_000</output>

<result>10_000</result>