The shoe factory produced 25,000 pairs of sports shoes in October this year, 1,000 pairs more than double the same period last year. How many pairs of sneakers did you produce last October?
鞋厂今年十月份生产运动鞋25000双，比去年同期的2倍还多1000双．去年十月份生产运动鞋多少双？
<gadget id="calculator">25_000 - 1_000</gadget>
<output>24_000</output>

<gadget id="calculator">24_000 / 2</gadget>
<output>12_000</output>

<result>12_000</result>