The number of foreign stamps collected by Xiao Ming is 5\\8 of domestic stamps. He gave 24 pieces of domestic stamps to others. At this time, the ratio of Xiaoming's foreign stamps to domestic stamps is 3:4. How many overseas stamps did Xiao Ming have?
小明收集的外国邮票张数是国内邮票的5\\8．他送了24张国内邮票给别人，这时小明国外邮票与国内邮票张数的比是3：4．小明国外邮票原来有多少张？
<gadget id="calculator">8 / 5</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">(8/5) - (4/3)</gadget>
<output>4/15 = around 0.266667</output>

<gadget id="calculator">24 / (4/15)</gadget>
<output>90</output>

<result>90</result>