In order to make it convenient for the citizens to watch the total solar eclipse, a store bought a batch of observation glasses for solar eclipse, sold 200 pairs in the morning, and sold more (1/4) in the afternoon than in the morning. How many copies were sold in the afternoon?
为了方便市民观看日全食，某商店进了一批日食专用观察镜，上午卖出200副，下午比上午多卖出(1/4)．下午卖出多少副？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">200 * (1/4)</gadget>
<output>50</output>

<gadget id="calculator">50 + 200</gadget>
<output>250</output>

<result>250</result>