Xiaohui, Xiaojuan and Xiaobei each have some stamps. The ratio of stamps between Xiaohui and Xiaojuan is 5:4, and the ratio of stamps between Xiaohui and Xiaobei is 3:4. If Xiaobei gave Xiaojuan 16 stamps, then the number of stamps for the two would be equal. How many stamps do Xiaohui, Xiaojuan and Xiaobei have in total?
小惠、小娟、小贝三人各有一些邮票，小惠与小娟的邮票张数之比为5：4，小惠与小贝的邮票张数之比为3：4．如果小贝送给小娟16张，那么两人的邮票张数相等．小惠、小娟、小贝三人共有多少张邮票？
<gadget id="calculator">20 - 12</gadget>
<output>8</output>

<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">15 + 12 + 20</gadget>
<output>47</output>

<gadget id="calculator">16 * (1/4) * 47</gadget>
<output>188</output>

<result>188</result>