A store buys a new batch of pencils, sells 32% of the pencils on the first day, and sells 45% of the pencils on the second day. It is known that 260 fewer pencils were sold on the first day than on the second day. How many pencils are there in this batch?
某商店新购进一批铅笔，第一天卖出这批铅笔的32%，第二天卖出这批铅笔的45%．已知第一天比第二天少卖260枝，这批铅笔一共有多少枝？
<gadget id="calculator">45 / 100</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">32 / 100</gadget>
<output>8/25 = around 0.32</output>

<gadget id="calculator">(9/20) - (8/25)</gadget>
<output>13/100 = around 0.13</output>

<gadget id="calculator">260 / (13/100)</gadget>
<output>2_000</output>

<result>2_000</result>