Xiaolan's whole family is very supportive of her collection of commemorative coins from various countries. At present, the commemorative coins she has collected are (1/19) issued by the United Kingdom, (1/8) issued by the United States, and (3/4) issued by China. , In addition, there are more than 20 and less than 25 issued by other countries. So how many commemorative coins does Xiaolan have now?
小兰的全家都很支持她收集各国的纪念币，目前她收集的纪念币有(1/19)是英国发行的，(1/8)是美国发行的，(3/4)是中国发行的，此外还有多于20枚且少于25枚是其他国家发行的．那么小兰现在共有多少枚纪念币．
<gadget id="calculator">19 * 8</gadget>
<output>152</output>

<gadget id="calculator">152 * 2</gadget>
<output>304</output>

<result>304</result>